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Finding the Fourth Proportional to 543,323.70, 814,985.55 and 188,373.60

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Solution

The fourth proportional to 543,323.70, 814,985.55 and 188,373.60 is: 282,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,323.70 : 814,985.55 = 188,373.60 : x
  2. Step 2: Convert to fraction form
    543,323.70/814,985.55 = 188,373.60/x
  3. Step 3: Cross multiply
    543,323.70x = 814,985.55 × 188,373.60
  4. Step 4: Simplify right side
    543,323.70x = 153,521,762,001.48
  5. Step 5: Solve for x
    x = 153,521,762,001.48/543,323.70
  6. Step 6: Final answer
    x = 282,560.40

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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.