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Finding the Fourth Proportional to 588,363.20, 881,637.60 and 437,897.60

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Solution

The fourth proportional to 588,363.20, 881,637.60 and 437,897.60 is: 656,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,363.20 : 881,637.60 = 437,897.60 : x
  2. Step 2: Convert to fraction form
    588,363.20/881,637.60 = 437,897.60/x
  3. Step 3: Cross multiply
    588,363.20x = 881,637.60 × 437,897.60
  4. Step 4: Simplify right side
    588,363.20x = 386,066,989,109.76
  5. Step 5: Solve for x
    x = 386,066,989,109.76/588,363.20
  6. Step 6: Final answer
    x = 656,171.20

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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.