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Finding the Fourth Proportional to 431,853.12, 595,958.34 and 240,878.88

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Solution

The fourth proportional to 431,853.12, 595,958.34 and 240,878.88 is: 332,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,853.12 : 595,958.34 = 240,878.88 : x
  2. Step 2: Convert to fraction form
    431,853.12/595,958.34 = 240,878.88/x
  3. Step 3: Cross multiply
    431,853.12x = 595,958.34 × 240,878.88
  4. Step 4: Simplify right side
    431,853.12x = 143,553,777,465.86
  5. Step 5: Solve for x
    x = 143,553,777,465.86/431,853.12
  6. Step 6: Final answer
    x = 332,413.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.