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Finding the Fourth Proportional to 296,513.52, 408,781.92 and 187,563.66

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Solution

The fourth proportional to 296,513.52, 408,781.92 and 187,563.66 is: 258,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,513.52 : 408,781.92 = 187,563.66 : x
  2. Step 2: Convert to fraction form
    296,513.52/408,781.92 = 187,563.66/x
  3. Step 3: Cross multiply
    296,513.52x = 408,781.92 × 187,563.66
  4. Step 4: Simplify right side
    296,513.52x = 76,672,633,057.03
  5. Step 5: Solve for x
    x = 76,672,633,057.03/296,513.52
  6. Step 6: Final answer
    x = 258,580.56

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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.