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Finding the Fourth Proportional to 625,101.30, 937,289.79 and 550,371.60

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Solution

The fourth proportional to 625,101.30, 937,289.79 and 550,371.60 is: 825,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,101.30 : 937,289.79 = 550,371.60 : x
  2. Step 2: Convert to fraction form
    625,101.30/937,289.79 = 550,371.60/x
  3. Step 3: Cross multiply
    625,101.30x = 937,289.79 × 550,371.60
  4. Step 4: Simplify right side
    625,101.30x = 515,857,681,385.96
  5. Step 5: Solve for x
    x = 515,857,681,385.96/625,101.30
  6. Step 6: Final answer
    x = 825,238.54

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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.