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Finding the Fourth Proportional to 360,545.72, 540,437.22 and 135,808.92

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Solution

The fourth proportional to 360,545.72, 540,437.22 and 135,808.92 is: 203,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,545.72 : 540,437.22 = 135,808.92 : x
  2. Step 2: Convert to fraction form
    360,545.72/540,437.22 = 135,808.92/x
  3. Step 3: Cross multiply
    360,545.72x = 540,437.22 × 135,808.92
  4. Step 4: Simplify right side
    360,545.72x = 73,396,195,685.29
  5. Step 5: Solve for x
    x = 73,396,195,685.29/360,545.72
  6. Step 6: Final answer
    x = 203,569.73

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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.