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Finding the Fourth Proportional to 443,168.88, 611,551.80 and 252,164.40

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Solution

The fourth proportional to 443,168.88, 611,551.80 and 252,164.40 is: 347,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,168.88 : 611,551.80 = 252,164.40 : x
  2. Step 2: Convert to fraction form
    443,168.88/611,551.80 = 252,164.40/x
  3. Step 3: Cross multiply
    443,168.88x = 611,551.80 × 252,164.40
  4. Step 4: Simplify right side
    443,168.88x = 154,211,592,715.92
  5. Step 5: Solve for x
    x = 154,211,592,715.92/443,168.88
  6. Step 6: Final answer
    x = 347,974.78

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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.