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Finding the Fourth Proportional to 523,874.65, 723,006.96 and 291,324.79

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Solution

The fourth proportional to 523,874.65, 723,006.96 and 291,324.79 is: 402,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,874.65 : 723,006.96 = 291,324.79 : x
  2. Step 2: Convert to fraction form
    523,874.65/723,006.96 = 291,324.79/x
  3. Step 3: Cross multiply
    523,874.65x = 723,006.96 × 291,324.79
  4. Step 4: Simplify right side
    523,874.65x = 210,629,849,333.91
  5. Step 5: Solve for x
    x = 210,629,849,333.91/523,874.65
  6. Step 6: Final answer
    x = 402,061.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.