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Finding the Fourth Proportional to 439,096.25, 658,646 and 106,672.25

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Solution

The fourth proportional to 439,096.25, 658,646 and 106,672.25 is: 160,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,096.25 : 658,646 = 106,672.25 : x
  2. Step 2: Convert to fraction form
    439,096.25/658,646 = 106,672.25/x
  3. Step 3: Cross multiply
    439,096.25x = 658,646 × 106,672.25
  4. Step 4: Simplify right side
    439,096.25x = 70,259,250,773.50
  5. Step 5: Solve for x
    x = 70,259,250,773.50/439,096.25
  6. Step 6: Final answer
    x = 160,008.77

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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.