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Finding the Fourth Proportional to 417,147.06, 625,665.09 and 117,651.69

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Solution

The fourth proportional to 417,147.06, 625,665.09 and 117,651.69 is: 176,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,147.06 : 625,665.09 = 117,651.69 : x
  2. Step 2: Convert to fraction form
    417,147.06/625,665.09 = 117,651.69/x
  3. Step 3: Cross multiply
    417,147.06x = 625,665.09 × 117,651.69
  4. Step 4: Simplify right side
    417,147.06x = 73,610,555,212.50
  5. Step 5: Solve for x
    x = 73,610,555,212.50/417,147.06
  6. Step 6: Final answer
    x = 176,461.88

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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.