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Finding the Fourth Proportional to 295,372.40, 442,074.45 and 271,752.80

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Solution

The fourth proportional to 295,372.40, 442,074.45 and 271,752.80 is: 406,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,372.40 : 442,074.45 = 271,752.80 : x
  2. Step 2: Convert to fraction form
    295,372.40/442,074.45 = 271,752.80/x
  3. Step 3: Cross multiply
    295,372.40x = 442,074.45 × 271,752.80
  4. Step 4: Simplify right side
    295,372.40x = 120,134,969,595.96
  5. Step 5: Solve for x
    x = 120,134,969,595.96/295,372.40
  6. Step 6: Final answer
    x = 406,723.75

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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.