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Finding the Fourth Proportional to 293,217.12, 439,822.44 and 71,601.12

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Solution

The fourth proportional to 293,217.12, 439,822.44 and 71,601.12 is: 107,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,217.12 : 439,822.44 = 71,601.12 : x
  2. Step 2: Convert to fraction form
    293,217.12/439,822.44 = 71,601.12/x
  3. Step 3: Cross multiply
    293,217.12x = 439,822.44 × 71,601.12
  4. Step 4: Simplify right side
    293,217.12x = 31,491,779,305.13
  5. Step 5: Solve for x
    x = 31,491,779,305.13/293,217.12
  6. Step 6: Final answer
    x = 107,400.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.