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Finding the Fourth Proportional to 574,961.60, 863,997.60 and 506,532.80

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Solution

The fourth proportional to 574,961.60, 863,997.60 and 506,532.80 is: 761,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,961.60 : 863,997.60 = 506,532.80 : x
  2. Step 2: Convert to fraction form
    574,961.60/863,997.60 = 506,532.80/x
  3. Step 3: Cross multiply
    574,961.60x = 863,997.60 × 506,532.80
  4. Step 4: Simplify right side
    574,961.60x = 437,643,123,521.28
  5. Step 5: Solve for x
    x = 437,643,123,521.28/574,961.60
  6. Step 6: Final answer
    x = 761,169.31

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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.