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Finding the Fourth Proportional to 437,949.33, 655,259.85 and 267,217.40

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Solution

The fourth proportional to 437,949.33, 655,259.85 and 267,217.40 is: 399,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,949.33 : 655,259.85 = 267,217.40 : x
  2. Step 2: Convert to fraction form
    437,949.33/655,259.85 = 267,217.40/x
  3. Step 3: Cross multiply
    437,949.33x = 655,259.85 × 267,217.40
  4. Step 4: Simplify right side
    437,949.33x = 175,096,830,165.09
  5. Step 5: Solve for x
    x = 175,096,830,165.09/437,949.33
  6. Step 6: Final answer
    x = 399,810.70

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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.