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Finding the Fourth Proportional to 524,780.65, 787,174.63 and 225,008.56

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Solution

The fourth proportional to 524,780.65, 787,174.63 and 225,008.56 is: 337,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,780.65 : 787,174.63 = 225,008.56 : x
  2. Step 2: Convert to fraction form
    524,780.65/787,174.63 = 225,008.56/x
  3. Step 3: Cross multiply
    524,780.65x = 787,174.63 × 225,008.56
  4. Step 4: Simplify right side
    524,780.65x = 177,121,029,964.83
  5. Step 5: Solve for x
    x = 177,121,029,964.83/524,780.65
  6. Step 6: Final answer
    x = 337,514.41

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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.