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Finding the Fourth Proportional to 440,580.33, 660,871.13 and 108,156.33

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Solution

The fourth proportional to 440,580.33, 660,871.13 and 108,156.33 is: 162,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,580.33 : 660,871.13 = 108,156.33 : x
  2. Step 2: Convert to fraction form
    440,580.33/660,871.13 = 108,156.33/x
  3. Step 3: Cross multiply
    440,580.33x = 660,871.13 × 108,156.33
  4. Step 4: Simplify right side
    440,580.33x = 71,477,395,482.97
  5. Step 5: Solve for x
    x = 71,477,395,482.97/440,580.33
  6. Step 6: Final answer
    x = 162,234.65

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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.