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Finding the Fourth Proportional to 625,586.56, 938,371.84 and 152,272.32

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Solution

The fourth proportional to 625,586.56, 938,371.84 and 152,272.32 is: 228,406.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,586.56 : 938,371.84 = 152,272.32 : x
  2. Step 2: Convert to fraction form
    625,586.56/938,371.84 = 152,272.32/x
  3. Step 3: Cross multiply
    625,586.56x = 938,371.84 × 152,272.32
  4. Step 4: Simplify right side
    625,586.56x = 142,888,057,099.47
  5. Step 5: Solve for x
    x = 142,888,057,099.47/625,586.56
  6. Step 6: Final answer
    x = 228,406.53

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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.