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Finding the Fourth Proportional to 250,997.52, 376,385.76 and 117,915.60

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Solution

The fourth proportional to 250,997.52, 376,385.76 and 117,915.60 is: 176,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,997.52 : 376,385.76 = 117,915.60 : x
  2. Step 2: Convert to fraction form
    250,997.52/376,385.76 = 117,915.60/x
  3. Step 3: Cross multiply
    250,997.52x = 376,385.76 × 117,915.60
  4. Step 4: Simplify right side
    250,997.52x = 44,381,752,721.86
  5. Step 5: Solve for x
    x = 44,381,752,721.86/250,997.52
  6. Step 6: Final answer
    x = 176,821.48

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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.