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Finding the Fourth Proportional to 543,935.60, 815,903.40 and 532,271.60

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Solution

The fourth proportional to 543,935.60, 815,903.40 and 532,271.60 is: 798,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,935.60 : 815,903.40 = 532,271.60 : x
  2. Step 2: Convert to fraction form
    543,935.60/815,903.40 = 532,271.60/x
  3. Step 3: Cross multiply
    543,935.60x = 815,903.40 × 532,271.60
  4. Step 4: Simplify right side
    543,935.60x = 434,282,208,163.44
  5. Step 5: Solve for x
    x = 434,282,208,163.44/543,935.60
  6. Step 6: Final answer
    x = 798,407.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 543,936.60, 815,904.90 and 532,272.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.