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Finding the Fourth Proportional to 441,545.42, 662,416.90 and 161,062.68

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Solution

The fourth proportional to 441,545.42, 662,416.90 and 161,062.68 is: 241,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,545.42 : 662,416.90 = 161,062.68 : x
  2. Step 2: Convert to fraction form
    441,545.42/662,416.90 = 161,062.68/x
  3. Step 3: Cross multiply
    441,545.42x = 662,416.90 × 161,062.68
  4. Step 4: Simplify right side
    441,545.42x = 106,690,641,191.29
  5. Step 5: Solve for x
    x = 106,690,641,191.29/441,545.42
  6. Step 6: Final answer
    x = 241,630.05

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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.