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Finding the Fourth Proportional to 437,567.36, 656,344.53 and 266,839.25

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Solution

The fourth proportional to 437,567.36, 656,344.53 and 266,839.25 is: 400,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,567.36 : 656,344.53 = 266,839.25 : x
  2. Step 2: Convert to fraction form
    437,567.36/656,344.53 = 266,839.25/x
  3. Step 3: Cross multiply
    437,567.36x = 656,344.53 × 266,839.25
  4. Step 4: Simplify right side
    437,567.36x = 175,138,479,595.57
  5. Step 5: Solve for x
    x = 175,138,479,595.57/437,567.36
  6. Step 6: Final answer
    x = 400,254.90

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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.