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Finding the Fourth Proportional to 610,757.33, 915,693.12 and 410,581.22

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Solution

The fourth proportional to 610,757.33, 915,693.12 and 410,581.22 is: 615,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,757.33 : 915,693.12 = 410,581.22 : x
  2. Step 2: Convert to fraction form
    610,757.33/915,693.12 = 410,581.22/x
  3. Step 3: Cross multiply
    610,757.33x = 915,693.12 × 410,581.22
  4. Step 4: Simplify right side
    610,757.33x = 375,966,393,776.74
  5. Step 5: Solve for x
    x = 375,966,393,776.74/610,757.33
  6. Step 6: Final answer
    x = 615,574.11

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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.