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Finding the Fourth Proportional to 417,505.48, 625,986.06 and 177,494.92

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Solution

The fourth proportional to 417,505.48, 625,986.06 and 177,494.92 is: 266,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,505.48 : 625,986.06 = 177,494.92 : x
  2. Step 2: Convert to fraction form
    417,505.48/625,986.06 = 177,494.92/x
  3. Step 3: Cross multiply
    417,505.48x = 625,986.06 × 177,494.92
  4. Step 4: Simplify right side
    417,505.48x = 111,109,345,640.82
  5. Step 5: Solve for x
    x = 111,109,345,640.82/417,505.48
  6. Step 6: Final answer
    x = 266,126.68

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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.