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Finding the Fourth Proportional to 402,356.60, 602,660.10 and 244,892.60

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Solution

The fourth proportional to 402,356.60, 602,660.10 and 244,892.60 is: 366,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,356.60 : 602,660.10 = 244,892.60 : x
  2. Step 2: Convert to fraction form
    402,356.60/602,660.10 = 244,892.60/x
  3. Step 3: Cross multiply
    402,356.60x = 602,660.10 × 244,892.60
  4. Step 4: Simplify right side
    402,356.60x = 147,586,998,805.26
  5. Step 5: Solve for x
    x = 147,586,998,805.26/402,356.60
  6. Step 6: Final answer
    x = 366,806.46

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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.