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Finding the Fourth Proportional to 269,663.55, 372,209.72 and 156,522.75

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Solution

The fourth proportional to 269,663.55, 372,209.72 and 156,522.75 is: 216,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,663.55 : 372,209.72 = 156,522.75 : x
  2. Step 2: Convert to fraction form
    269,663.55/372,209.72 = 156,522.75/x
  3. Step 3: Cross multiply
    269,663.55x = 372,209.72 × 156,522.75
  4. Step 4: Simplify right side
    269,663.55x = 58,259,288,168.52
  5. Step 5: Solve for x
    x = 58,259,288,168.52/269,663.55
  6. Step 6: Final answer
    x = 216,044.36

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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.