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Finding the Fourth Proportional to 593,781.60, 890,672.40 and 481,807.20

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Solution

The fourth proportional to 593,781.60, 890,672.40 and 481,807.20 is: 722,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,781.60 : 890,672.40 = 481,807.20 : x
  2. Step 2: Convert to fraction form
    593,781.60/890,672.40 = 481,807.20/x
  3. Step 3: Cross multiply
    593,781.60x = 890,672.40 × 481,807.20
  4. Step 4: Simplify right side
    593,781.60x = 429,132,375,161.28
  5. Step 5: Solve for x
    x = 429,132,375,161.28/593,781.60
  6. Step 6: Final answer
    x = 722,710.80

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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.