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Finding the Fourth Proportional to 440,164.40, 659,169.80 and 397,565.52

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Solution

The fourth proportional to 440,164.40, 659,169.80 and 397,565.52 is: 595,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,164.40 : 659,169.80 = 397,565.52 : x
  2. Step 2: Convert to fraction form
    440,164.40/659,169.80 = 397,565.52/x
  3. Step 3: Cross multiply
    440,164.40x = 659,169.80 × 397,565.52
  4. Step 4: Simplify right side
    440,164.40x = 262,063,184,305.30
  5. Step 5: Solve for x
    x = 262,063,184,305.30/440,164.40
  6. Step 6: Final answer
    x = 595,375.69

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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.