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Finding the Fourth Proportional to 218,348.64, 327,522.96 and 120,474.72

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Solution

The fourth proportional to 218,348.64, 327,522.96 and 120,474.72 is: 180,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,348.64 : 327,522.96 = 120,474.72 : x
  2. Step 2: Convert to fraction form
    218,348.64/327,522.96 = 120,474.72/x
  3. Step 3: Cross multiply
    218,348.64x = 327,522.96 × 120,474.72
  4. Step 4: Simplify right side
    218,348.64x = 39,458,236,899.57
  5. Step 5: Solve for x
    x = 39,458,236,899.57/218,348.64
  6. Step 6: Final answer
    x = 180,712.08

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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.