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Finding the Fourth Proportional to 180,385.88, 270,620.90 and 52,304.84

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Solution

The fourth proportional to 180,385.88, 270,620.90 and 52,304.84 is: 78,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,385.88 : 270,620.90 = 52,304.84 : x
  2. Step 2: Convert to fraction form
    180,385.88/270,620.90 = 52,304.84/x
  3. Step 3: Cross multiply
    180,385.88x = 270,620.90 × 52,304.84
  4. Step 4: Simplify right side
    180,385.88x = 14,154,782,471.50
  5. Step 5: Solve for x
    x = 14,154,782,471.50/180,385.88
  6. Step 6: Final answer
    x = 78,469.46

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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.