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Finding the Fourth Proportional to 617,951.26, 927,101.85 and 365,455.90

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Solution

The fourth proportional to 617,951.26, 927,101.85 and 365,455.90 is: 548,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,951.26 : 927,101.85 = 365,455.90 : x
  2. Step 2: Convert to fraction form
    617,951.26/927,101.85 = 365,455.90/x
  3. Step 3: Cross multiply
    617,951.26x = 927,101.85 × 365,455.90
  4. Step 4: Simplify right side
    617,951.26x = 338,814,840,983.42
  5. Step 5: Solve for x
    x = 338,814,840,983.42/617,951.26
  6. Step 6: Final answer
    x = 548,287.32

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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.