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Finding the Fourth Proportional to 293,314.97, 404,774.66 and 159,178.97

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Solution

The fourth proportional to 293,314.97, 404,774.66 and 159,178.97 is: 219,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,314.97 : 404,774.66 = 159,178.97 : x
  2. Step 2: Convert to fraction form
    293,314.97/404,774.66 = 159,178.97/x
  3. Step 3: Cross multiply
    293,314.97x = 404,774.66 × 159,178.97
  4. Step 4: Simplify right side
    293,314.97x = 64,431,613,676.94
  5. Step 5: Solve for x
    x = 64,431,613,676.94/293,314.97
  6. Step 6: Final answer
    x = 219,666.98

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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.