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Finding the Fourth Proportional to 577,536.60, 866,304.90 and 437,568.60

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Solution

The fourth proportional to 577,536.60, 866,304.90 and 437,568.60 is: 656,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,536.60 : 866,304.90 = 437,568.60 : x
  2. Step 2: Convert to fraction form
    577,536.60/866,304.90 = 437,568.60/x
  3. Step 3: Cross multiply
    577,536.60x = 866,304.90 × 437,568.60
  4. Step 4: Simplify right side
    577,536.60x = 379,067,822,266.14
  5. Step 5: Solve for x
    x = 379,067,822,266.14/577,536.60
  6. Step 6: Final answer
    x = 656,352.90

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Similar ratio
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1.5x scale

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.