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Finding the Fourth Proportional to 461,625.85, 637,149.95 and 270,700.75

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Solution

The fourth proportional to 461,625.85, 637,149.95 and 270,700.75 is: 373,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,625.85 : 637,149.95 = 270,700.75 : x
  2. Step 2: Convert to fraction form
    461,625.85/637,149.95 = 270,700.75/x
  3. Step 3: Cross multiply
    461,625.85x = 637,149.95 × 270,700.75
  4. Step 4: Simplify right side
    461,625.85x = 172,476,969,785.52
  5. Step 5: Solve for x
    x = 172,476,969,785.52/461,625.85
  6. Step 6: Final answer
    x = 373,629.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.