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Finding the Fourth Proportional to 906,250.60, 1,359,375.90 and 607,652.20

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Solution

The fourth proportional to 906,250.60, 1,359,375.90 and 607,652.20 is: 911,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,250.60 : 1,359,375.90 = 607,652.20 : x
  2. Step 2: Convert to fraction form
    906,250.60/1,359,375.90 = 607,652.20/x
  3. Step 3: Cross multiply
    906,250.60x = 1,359,375.90 × 607,652.20
  4. Step 4: Simplify right side
    906,250.60x = 826,027,756,261.98
  5. Step 5: Solve for x
    x = 826,027,756,261.98/906,250.60
  6. Step 6: Final answer
    x = 911,478.30

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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.