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Finding the Fourth Proportional to 227,397.30, 341,314.65 and 115,204.20

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Solution

The fourth proportional to 227,397.30, 341,314.65 and 115,204.20 is: 172,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,397.30 : 341,314.65 = 115,204.20 : x
  2. Step 2: Convert to fraction form
    227,397.30/341,314.65 = 115,204.20/x
  3. Step 3: Cross multiply
    227,397.30x = 341,314.65 × 115,204.20
  4. Step 4: Simplify right side
    227,397.30x = 39,320,881,201.53
  5. Step 5: Solve for x
    x = 39,320,881,201.53/227,397.30
  6. Step 6: Final answer
    x = 172,917.10

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1.5x scale

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.