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Finding the Fourth Proportional to 437,908.60, 656,862.90 and 367,049.80

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Solution

The fourth proportional to 437,908.60, 656,862.90 and 367,049.80 is: 550,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,908.60 : 656,862.90 = 367,049.80 : x
  2. Step 2: Convert to fraction form
    437,908.60/656,862.90 = 367,049.80/x
  3. Step 3: Cross multiply
    437,908.60x = 656,862.90 × 367,049.80
  4. Step 4: Simplify right side
    437,908.60x = 241,101,396,072.42
  5. Step 5: Solve for x
    x = 241,101,396,072.42/437,908.60
  6. Step 6: Final answer
    x = 550,574.70

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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.