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Finding the Fourth Proportional to 524,740.92, 787,167.59 and 145,663.25

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Solution

The fourth proportional to 524,740.92, 787,167.59 and 145,663.25 is: 218,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,740.92 : 787,167.59 = 145,663.25 : x
  2. Step 2: Convert to fraction form
    524,740.92/787,167.59 = 145,663.25/x
  3. Step 3: Cross multiply
    524,740.92x = 787,167.59 × 145,663.25
  4. Step 4: Simplify right side
    524,740.92x = 114,661,384,789.91
  5. Step 5: Solve for x
    x = 114,661,384,789.91/524,740.92
  6. Step 6: Final answer
    x = 218,510.47

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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.