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Finding the Fourth Proportional to 356,082.66, 491,405.67 and 194,937.66

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Solution

The fourth proportional to 356,082.66, 491,405.67 and 194,937.66 is: 269,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,082.66 : 491,405.67 = 194,937.66 : x
  2. Step 2: Convert to fraction form
    356,082.66/491,405.67 = 194,937.66/x
  3. Step 3: Cross multiply
    356,082.66x = 491,405.67 × 194,937.66
  4. Step 4: Simplify right side
    356,082.66x = 95,793,471,420.53
  5. Step 5: Solve for x
    x = 95,793,471,420.53/356,082.66
  6. Step 6: Final answer
    x = 269,020.32

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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.