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Finding the Fourth Proportional to 439,108.59, 658,662.89 and 106,684.59

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Solution

The fourth proportional to 439,108.59, 658,662.89 and 106,684.59 is: 160,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,108.59 : 658,662.89 = 106,684.59 : x
  2. Step 2: Convert to fraction form
    439,108.59/658,662.89 = 106,684.59/x
  3. Step 3: Cross multiply
    439,108.59x = 658,662.89 × 106,684.59
  4. Step 4: Simplify right side
    439,108.59x = 70,269,182,904.53
  5. Step 5: Solve for x
    x = 70,269,182,904.53/439,108.59
  6. Step 6: Final answer
    x = 160,026.89

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Similar ratio
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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.