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Finding the Fourth Proportional to 323,045.65, 484,550.81 and 98,387.29

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Solution

The fourth proportional to 323,045.65, 484,550.81 and 98,387.29 is: 147,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,045.65 : 484,550.81 = 98,387.29 : x
  2. Step 2: Convert to fraction form
    323,045.65/484,550.81 = 98,387.29/x
  3. Step 3: Cross multiply
    323,045.65x = 484,550.81 × 98,387.29
  4. Step 4: Simplify right side
    323,045.65x = 47,673,641,545.91
  5. Step 5: Solve for x
    x = 47,673,641,545.91/323,045.65
  6. Step 6: Final answer
    x = 147,575.56

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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.