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Finding the Fourth Proportional to 356,139.53, 491,472.62 and 194,994.62

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Solution

The fourth proportional to 356,139.53, 491,472.62 and 194,994.62 is: 269,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,139.53 : 491,472.62 = 194,994.62 : x
  2. Step 2: Convert to fraction form
    356,139.53/491,472.62 = 194,994.62/x
  3. Step 3: Cross multiply
    356,139.53x = 491,472.62 × 194,994.62
  4. Step 4: Simplify right side
    356,139.53x = 95,834,513,344.97
  5. Step 5: Solve for x
    x = 95,834,513,344.97/356,139.53
  6. Step 6: Final answer
    x = 269,092.61

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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.