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Finding the Fourth Proportional to 498,597.48, 687,715.38 and 337,381.56

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Solution

The fourth proportional to 498,597.48, 687,715.38 and 337,381.56 is: 465,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,597.48 : 687,715.38 = 337,381.56 : x
  2. Step 2: Convert to fraction form
    498,597.48/687,715.38 = 337,381.56/x
  3. Step 3: Cross multiply
    498,597.48x = 687,715.38 × 337,381.56
  4. Step 4: Simplify right side
    498,597.48x = 232,022,487,740.39
  5. Step 5: Solve for x
    x = 232,022,487,740.39/498,597.48
  6. Step 6: Final answer
    x = 465,350.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.