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Finding the Fourth Proportional to 356,124.98, 491,433.80 and 194,949.16

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Solution

The fourth proportional to 356,124.98, 491,433.80 and 194,949.16 is: 269,019.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,124.98 : 491,433.80 = 194,949.16 : x
  2. Step 2: Convert to fraction form
    356,124.98/491,433.80 = 194,949.16/x
  3. Step 3: Cross multiply
    356,124.98x = 491,433.80 × 194,949.16
  4. Step 4: Simplify right side
    356,124.98x = 95,804,606,505.61
  5. Step 5: Solve for x
    x = 95,804,606,505.61/356,124.98
  6. Step 6: Final answer
    x = 269,019.62

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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.