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Finding the Fourth Proportional to 296,567.66, 444,863.79 and 86,205.60

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Solution

The fourth proportional to 296,567.66, 444,863.79 and 86,205.60 is: 129,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,567.66 : 444,863.79 = 86,205.60 : x
  2. Step 2: Convert to fraction form
    296,567.66/444,863.79 = 86,205.60/x
  3. Step 3: Cross multiply
    296,567.66x = 444,863.79 × 86,205.60
  4. Step 4: Simplify right side
    296,567.66x = 38,349,747,710.91
  5. Step 5: Solve for x
    x = 38,349,747,710.91/296,567.66
  6. Step 6: Final answer
    x = 129,311.97

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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.