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Finding the Fourth Proportional to 264,891.60, 397,337.40 and 252,644.40

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Solution

The fourth proportional to 264,891.60, 397,337.40 and 252,644.40 is: 378,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,891.60 : 397,337.40 = 252,644.40 : x
  2. Step 2: Convert to fraction form
    264,891.60/397,337.40 = 252,644.40/x
  3. Step 3: Cross multiply
    264,891.60x = 397,337.40 × 252,644.40
  4. Step 4: Simplify right side
    264,891.60x = 100,385,069,020.56
  5. Step 5: Solve for x
    x = 100,385,069,020.56/264,891.60
  6. Step 6: Final answer
    x = 378,966.60

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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.