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Finding the Fourth Proportional to 440,441.90, 660,662.85 and 108,017.90

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Solution

The fourth proportional to 440,441.90, 660,662.85 and 108,017.90 is: 162,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,441.90 : 660,662.85 = 108,017.90 : x
  2. Step 2: Convert to fraction form
    440,441.90/660,662.85 = 108,017.90/x
  3. Step 3: Cross multiply
    440,441.90x = 660,662.85 × 108,017.90
  4. Step 4: Simplify right side
    440,441.90x = 71,363,413,665.02
  5. Step 5: Solve for x
    x = 71,363,413,665.02/440,441.90
  6. Step 6: Final answer
    x = 162,026.85

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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.