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Finding the Fourth Proportional to 417,374.52, 625,854.47 and 133,028.07

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Solution

The fourth proportional to 417,374.52, 625,854.47 and 133,028.07 is: 199,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,374.52 : 625,854.47 = 133,028.07 : x
  2. Step 2: Convert to fraction form
    417,374.52/625,854.47 = 133,028.07/x
  3. Step 3: Cross multiply
    417,374.52x = 625,854.47 × 133,028.07
  4. Step 4: Simplify right side
    417,374.52x = 83,256,213,875.73
  5. Step 5: Solve for x
    x = 83,256,213,875.73/417,374.52
  6. Step 6: Final answer
    x = 199,476.03

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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.