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Finding the Fourth Proportional to 293,314.13, 404,773.49 and 159,178.13

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Solution

The fourth proportional to 293,314.13, 404,773.49 and 159,178.13 is: 219,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,314.13 : 404,773.49 = 159,178.13 : x
  2. Step 2: Convert to fraction form
    293,314.13/404,773.49 = 159,178.13/x
  3. Step 3: Cross multiply
    293,314.13x = 404,773.49 × 159,178.13
  4. Step 4: Simplify right side
    293,314.13x = 64,431,087,211.77
  5. Step 5: Solve for x
    x = 64,431,087,211.77/293,314.13
  6. Step 6: Final answer
    x = 219,665.81

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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.