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Finding the Fourth Proportional to 502,511.40, 752,454.90 and 324,052.20

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Solution

The fourth proportional to 502,511.40, 752,454.90 and 324,052.20 is: 485,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,511.40 : 752,454.90 = 324,052.20 : x
  2. Step 2: Convert to fraction form
    502,511.40/752,454.90 = 324,052.20/x
  3. Step 3: Cross multiply
    502,511.40x = 752,454.90 × 324,052.20
  4. Step 4: Simplify right side
    502,511.40x = 243,834,665,745.78
  5. Step 5: Solve for x
    x = 243,834,665,745.78/502,511.40
  6. Step 6: Final answer
    x = 485,232.11

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1.5x scale

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.