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Finding the Fourth Proportional to 768,963.84, 1,151,174.52 and 567,949.20

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Solution

The fourth proportional to 768,963.84, 1,151,174.52 and 567,949.20 is: 850,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,963.84 : 1,151,174.52 = 567,949.20 : x
  2. Step 2: Convert to fraction form
    768,963.84/1,151,174.52 = 567,949.20/x
  3. Step 3: Cross multiply
    768,963.84x = 1,151,174.52 × 567,949.20
  4. Step 4: Simplify right side
    768,963.84x = 653,808,647,694.38
  5. Step 5: Solve for x
    x = 653,808,647,694.38/768,963.84
  6. Step 6: Final answer
    x = 850,246.28

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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.