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Finding the Fourth Proportional to 411,658.80, 616,491.60 and 284,944.02

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Solution

The fourth proportional to 411,658.80, 616,491.60 and 284,944.02 is: 426,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,658.80 : 616,491.60 = 284,944.02 : x
  2. Step 2: Convert to fraction form
    411,658.80/616,491.60 = 284,944.02/x
  3. Step 3: Cross multiply
    411,658.80x = 616,491.60 × 284,944.02
  4. Step 4: Simplify right side
    411,658.80x = 175,665,591,717.77
  5. Step 5: Solve for x
    x = 175,665,591,717.77/411,658.80
  6. Step 6: Final answer
    x = 426,726.20

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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.