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Finding the Fourth Proportional to 503,796.38, 755,794.24 and 143,970.46

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Solution

The fourth proportional to 503,796.38, 755,794.24 and 143,970.46 is: 215,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,796.38 : 755,794.24 = 143,970.46 : x
  2. Step 2: Convert to fraction form
    503,796.38/755,794.24 = 143,970.46/x
  3. Step 3: Cross multiply
    503,796.38x = 755,794.24 × 143,970.46
  4. Step 4: Simplify right side
    503,796.38x = 108,812,044,398.15
  5. Step 5: Solve for x
    x = 108,812,044,398.15/503,796.38
  6. Step 6: Final answer
    x = 215,984.17

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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.