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Finding the Fourth Proportional to 562,545.92, 843,711.36 and 168,561.92

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Solution

The fourth proportional to 562,545.92, 843,711.36 and 168,561.92 is: 252,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,545.92 : 843,711.36 = 168,561.92 : x
  2. Step 2: Convert to fraction form
    562,545.92/843,711.36 = 168,561.92/x
  3. Step 3: Cross multiply
    562,545.92x = 843,711.36 × 168,561.92
  4. Step 4: Simplify right side
    562,545.92x = 142,217,606,767.41
  5. Step 5: Solve for x
    x = 142,217,606,767.41/562,545.92
  6. Step 6: Final answer
    x = 252,810.66

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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.