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Finding the Fourth Proportional to 610,145.28, 915,223.32 and 250,513.92

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Solution

The fourth proportional to 610,145.28, 915,223.32 and 250,513.92 is: 375,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,145.28 : 915,223.32 = 250,513.92 : x
  2. Step 2: Convert to fraction form
    610,145.28/915,223.32 = 250,513.92/x
  3. Step 3: Cross multiply
    610,145.28x = 915,223.32 × 250,513.92
  4. Step 4: Simplify right side
    610,145.28x = 229,276,181,568.61
  5. Step 5: Solve for x
    x = 229,276,181,568.61/610,145.28
  6. Step 6: Final answer
    x = 375,773.10

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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.