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Finding the Fourth Proportional to 592,402.40, 888,020.40 and 292,929.20

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Solution

The fourth proportional to 592,402.40, 888,020.40 and 292,929.20 is: 439,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,402.40 : 888,020.40 = 292,929.20 : x
  2. Step 2: Convert to fraction form
    592,402.40/888,020.40 = 292,929.20/x
  3. Step 3: Cross multiply
    592,402.40x = 888,020.40 × 292,929.20
  4. Step 4: Simplify right side
    592,402.40x = 260,127,105,355.68
  5. Step 5: Solve for x
    x = 260,127,105,355.68/592,402.40
  6. Step 6: Final answer
    x = 439,105.42

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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.