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Finding the Fourth Proportional to 327,672.53, 452,327.45 and 220,304.80

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Solution

The fourth proportional to 327,672.53, 452,327.45 and 220,304.80 is: 304,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,672.53 : 452,327.45 = 220,304.80 : x
  2. Step 2: Convert to fraction form
    327,672.53/452,327.45 = 220,304.80/x
  3. Step 3: Cross multiply
    327,672.53x = 452,327.45 × 220,304.80
  4. Step 4: Simplify right side
    327,672.53x = 99,649,908,406.76
  5. Step 5: Solve for x
    x = 99,649,908,406.76/327,672.53
  6. Step 6: Final answer
    x = 304,114.32

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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.