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Finding the Fourth Proportional to 325,925.40, 488,304.90 and 275,770.20

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Solution

The fourth proportional to 325,925.40, 488,304.90 and 275,770.20 is: 413,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,925.40 : 488,304.90 = 275,770.20 : x
  2. Step 2: Convert to fraction form
    325,925.40/488,304.90 = 275,770.20/x
  3. Step 3: Cross multiply
    325,925.40x = 488,304.90 × 275,770.20
  4. Step 4: Simplify right side
    325,925.40x = 134,659,939,933.98
  5. Step 5: Solve for x
    x = 134,659,939,933.98/325,925.40
  6. Step 6: Final answer
    x = 413,161.85

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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.