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Finding the Fourth Proportional to 532,299.40, 798,449.10 and 343,342.60

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Solution

The fourth proportional to 532,299.40, 798,449.10 and 343,342.60 is: 515,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,299.40 : 798,449.10 = 343,342.60 : x
  2. Step 2: Convert to fraction form
    532,299.40/798,449.10 = 343,342.60/x
  3. Step 3: Cross multiply
    532,299.40x = 798,449.10 × 343,342.60
  4. Step 4: Simplify right side
    532,299.40x = 274,141,589,961.66
  5. Step 5: Solve for x
    x = 274,141,589,961.66/532,299.40
  6. Step 6: Final answer
    x = 515,013.90

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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.