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Finding the Fourth Proportional to 437,357.76, 656,036.16 and 337,663.68

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Solution

The fourth proportional to 437,357.76, 656,036.16 and 337,663.68 is: 506,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,357.76 : 656,036.16 = 337,663.68 : x
  2. Step 2: Convert to fraction form
    437,357.76/656,036.16 = 337,663.68/x
  3. Step 3: Cross multiply
    437,357.76x = 656,036.16 × 337,663.68
  4. Step 4: Simplify right side
    437,357.76x = 221,519,583,998.67
  5. Step 5: Solve for x
    x = 221,519,583,998.67/437,357.76
  6. Step 6: Final answer
    x = 506,495.15

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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.