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Finding the Fourth Proportional to 288,768.76, 433,530.39 and 231,873.04

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Solution

The fourth proportional to 288,768.76, 433,530.39 and 231,873.04 is: 348,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,768.76 : 433,530.39 = 231,873.04 : x
  2. Step 2: Convert to fraction form
    288,768.76/433,530.39 = 231,873.04/x
  3. Step 3: Cross multiply
    288,768.76x = 433,530.39 × 231,873.04
  4. Step 4: Simplify right side
    288,768.76x = 100,524,010,873.12
  5. Step 5: Solve for x
    x = 100,524,010,873.12/288,768.76
  6. Step 6: Final answer
    x = 348,112.49

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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.