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Finding the Fourth Proportional to 524,678.88, 787,066.56 and 225,091.92

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Solution

The fourth proportional to 524,678.88, 787,066.56 and 225,091.92 is: 337,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,678.88 : 787,066.56 = 225,091.92 : x
  2. Step 2: Convert to fraction form
    524,678.88/787,066.56 = 225,091.92/x
  3. Step 3: Cross multiply
    524,678.88x = 787,066.56 × 225,091.92
  4. Step 4: Simplify right side
    524,678.88x = 177,162,323,158.20
  5. Step 5: Solve for x
    x = 177,162,323,158.20/524,678.88
  6. Step 6: Final answer
    x = 337,658.58

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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.