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Finding the Fourth Proportional to 297,891.10, 446,545.05 and 120,160.90

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Solution

The fourth proportional to 297,891.10, 446,545.05 and 120,160.90 is: 180,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,891.10 : 446,545.05 = 120,160.90 : x
  2. Step 2: Convert to fraction form
    297,891.10/446,545.05 = 120,160.90/x
  3. Step 3: Cross multiply
    297,891.10x = 446,545.05 × 120,160.90
  4. Step 4: Simplify right side
    297,891.10x = 53,657,255,098.55
  5. Step 5: Solve for x
    x = 53,657,255,098.55/297,891.10
  6. Step 6: Final answer
    x = 180,123.73

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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.