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Finding the Fourth Proportional to 625,380.57, 938,057.90 and 152,068.41

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Solution

The fourth proportional to 625,380.57, 938,057.90 and 152,068.41 is: 228,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,380.57 : 938,057.90 = 152,068.41 : x
  2. Step 2: Convert to fraction form
    625,380.57/938,057.90 = 152,068.41/x
  3. Step 3: Cross multiply
    625,380.57x = 938,057.90 × 152,068.41
  4. Step 4: Simplify right side
    625,380.57x = 142,648,972,580.60
  5. Step 5: Solve for x
    x = 142,648,972,580.60/625,380.57
  6. Step 6: Final answer
    x = 228,099.46

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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.