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Finding the Fourth Proportional to 532,139.40, 798,209.10 and 474,402.60

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Solution

The fourth proportional to 532,139.40, 798,209.10 and 474,402.60 is: 711,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,139.40 : 798,209.10 = 474,402.60 : x
  2. Step 2: Convert to fraction form
    532,139.40/798,209.10 = 474,402.60/x
  3. Step 3: Cross multiply
    532,139.40x = 798,209.10 × 474,402.60
  4. Step 4: Simplify right side
    532,139.40x = 378,672,472,383.66
  5. Step 5: Solve for x
    x = 378,672,472,383.66/532,139.40
  6. Step 6: Final answer
    x = 711,603.90

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Similar ratio
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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.