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Finding the Fourth Proportional to 524,915.52, 787,498.02 and 169,929.38

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Solution

The fourth proportional to 524,915.52, 787,498.02 and 169,929.38 is: 254,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,915.52 : 787,498.02 = 169,929.38 : x
  2. Step 2: Convert to fraction form
    524,915.52/787,498.02 = 169,929.38/x
  3. Step 3: Cross multiply
    524,915.52x = 787,498.02 × 169,929.38
  4. Step 4: Simplify right side
    524,915.52x = 133,819,050,289.83
  5. Step 5: Solve for x
    x = 133,819,050,289.83/524,915.52
  6. Step 6: Final answer
    x = 254,934.45

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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.