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Finding the Fourth Proportional to 297,753.12, 410,964.16 and 183,130.32

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Solution

The fourth proportional to 297,753.12, 410,964.16 and 183,130.32 is: 252,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,753.12 : 410,964.16 = 183,130.32 : x
  2. Step 2: Convert to fraction form
    297,753.12/410,964.16 = 183,130.32/x
  3. Step 3: Cross multiply
    297,753.12x = 410,964.16 × 183,130.32
  4. Step 4: Simplify right side
    297,753.12x = 75,259,998,129.33
  5. Step 5: Solve for x
    x = 75,259,998,129.33/297,753.12
  6. Step 6: Final answer
    x = 252,759.73

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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.