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Finding the Fourth Proportional to 524,779.65, 787,173.13 and 225,007.56

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Solution

The fourth proportional to 524,779.65, 787,173.13 and 225,007.56 is: 337,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,779.65 : 787,173.13 = 225,007.56 : x
  2. Step 2: Convert to fraction form
    524,779.65/787,173.13 = 225,007.56/x
  3. Step 3: Cross multiply
    524,779.65x = 787,173.13 × 225,007.56
  4. Step 4: Simplify right side
    524,779.65x = 177,119,905,560.12
  5. Step 5: Solve for x
    x = 177,119,905,560.12/524,779.65
  6. Step 6: Final answer
    x = 337,512.91

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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.