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Finding the Fourth Proportional to 352,213.59, 486,098.64 and 231,454.74

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Solution

The fourth proportional to 352,213.59, 486,098.64 and 231,454.74 is: 319,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,213.59 : 486,098.64 = 231,454.74 : x
  2. Step 2: Convert to fraction form
    352,213.59/486,098.64 = 231,454.74/x
  3. Step 3: Cross multiply
    352,213.59x = 486,098.64 × 231,454.74
  4. Step 4: Simplify right side
    352,213.59x = 112,509,834,335.55
  5. Step 5: Solve for x
    x = 112,509,834,335.55/352,213.59
  6. Step 6: Final answer
    x = 319,436.38

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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.