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Finding the Fourth Proportional to 437,559.60, 656,339.40 and 188,727.60

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Solution

The fourth proportional to 437,559.60, 656,339.40 and 188,727.60 is: 283,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,559.60 : 656,339.40 = 188,727.60 : x
  2. Step 2: Convert to fraction form
    437,559.60/656,339.40 = 188,727.60/x
  3. Step 3: Cross multiply
    437,559.60x = 656,339.40 × 188,727.60
  4. Step 4: Simplify right side
    437,559.60x = 123,869,359,747.44
  5. Step 5: Solve for x
    x = 123,869,359,747.44/437,559.60
  6. Step 6: Final answer
    x = 283,091.40

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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.