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Finding the Fourth Proportional to 489,672.48, 732,982.29 and 377,060.16

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Solution

The fourth proportional to 489,672.48, 732,982.29 and 377,060.16 is: 564,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,672.48 : 732,982.29 = 377,060.16 : x
  2. Step 2: Convert to fraction form
    489,672.48/732,982.29 = 377,060.16/x
  3. Step 3: Cross multiply
    489,672.48x = 732,982.29 × 377,060.16
  4. Step 4: Simplify right side
    489,672.48x = 276,378,419,544.57
  5. Step 5: Solve for x
    x = 276,378,419,544.57/489,672.48
  6. Step 6: Final answer
    x = 564,414.85

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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.