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Finding the Fourth Proportional to 356,127.98, 491,437.95 and 194,952.17

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Solution

The fourth proportional to 356,127.98, 491,437.95 and 194,952.17 is: 269,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,127.98 : 491,437.95 = 194,952.17 : x
  2. Step 2: Convert to fraction form
    356,127.98/491,437.95 = 194,952.17/x
  3. Step 3: Cross multiply
    356,127.98x = 491,437.95 × 194,952.17
  4. Step 4: Simplify right side
    356,127.98x = 95,806,894,772.85
  5. Step 5: Solve for x
    x = 95,806,894,772.85/356,127.98
  6. Step 6: Final answer
    x = 269,023.78

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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.