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Finding the Fourth Proportional to 267,285.86, 400,502.31 and 195,877.55

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Solution

The fourth proportional to 267,285.86, 400,502.31 and 195,877.55 is: 293,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,285.86 : 400,502.31 = 195,877.55 : x
  2. Step 2: Convert to fraction form
    267,285.86/400,502.31 = 195,877.55/x
  3. Step 3: Cross multiply
    267,285.86x = 400,502.31 × 195,877.55
  4. Step 4: Simplify right side
    267,285.86x = 78,449,411,252.14
  5. Step 5: Solve for x
    x = 78,449,411,252.14/267,285.86
  6. Step 6: Final answer
    x = 293,503.78

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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.