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Finding the Fourth Proportional to 440,524.86, 660,464.10 and 140,832.96

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Solution

The fourth proportional to 440,524.86, 660,464.10 and 140,832.96 is: 211,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,524.86 : 660,464.10 = 140,832.96 : x
  2. Step 2: Convert to fraction form
    440,524.86/660,464.10 = 140,832.96/x
  3. Step 3: Cross multiply
    440,524.86x = 660,464.10 × 140,832.96
  4. Step 4: Simplify right side
    440,524.86x = 93,015,114,176.74
  5. Step 5: Solve for x
    x = 93,015,114,176.74/440,524.86
  6. Step 6: Final answer
    x = 211,146.12

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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.