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Finding the Fourth Proportional to 417,523.59, 626,326.38 and 118,006.47

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Solution

The fourth proportional to 417,523.59, 626,326.38 and 118,006.47 is: 177,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,523.59 : 626,326.38 = 118,006.47 : x
  2. Step 2: Convert to fraction form
    417,523.59/626,326.38 = 118,006.47/x
  3. Step 3: Cross multiply
    417,523.59x = 626,326.38 × 118,006.47
  4. Step 4: Simplify right side
    417,523.59x = 73,910,565,171.68
  5. Step 5: Solve for x
    x = 73,910,565,171.68/417,523.59
  6. Step 6: Final answer
    x = 177,021.29

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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.