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Finding the Fourth Proportional to 417,388.83, 625,960.13 and 177,502.28

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Solution

The fourth proportional to 417,388.83, 625,960.13 and 177,502.28 is: 266,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,388.83 : 625,960.13 = 177,502.28 : x
  2. Step 2: Convert to fraction form
    417,388.83/625,960.13 = 177,502.28/x
  3. Step 3: Cross multiply
    417,388.83x = 625,960.13 × 177,502.28
  4. Step 4: Simplify right side
    417,388.83x = 111,109,346,246.78
  5. Step 5: Solve for x
    x = 111,109,346,246.78/417,388.83
  6. Step 6: Final answer
    x = 266,201.05

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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.