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Finding the Fourth Proportional to 330,246.66, 495,213.82 and 127,937.52

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Solution

The fourth proportional to 330,246.66, 495,213.82 and 127,937.52 is: 191,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.66 : 495,213.82 = 127,937.52 : x
  2. Step 2: Convert to fraction form
    330,246.66/495,213.82 = 127,937.52/x
  3. Step 3: Cross multiply
    330,246.66x = 495,213.82 × 127,937.52
  4. Step 4: Simplify right side
    330,246.66x = 63,356,428,000.53
  5. Step 5: Solve for x
    x = 63,356,428,000.53/330,246.66
  6. Step 6: Final answer
    x = 191,845.78

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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.