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Finding the Fourth Proportional to 431,910.60, 596,036.22 and 240,923.88

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Solution

The fourth proportional to 431,910.60, 596,036.22 and 240,923.88 is: 332,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,910.60 : 596,036.22 = 240,923.88 : x
  2. Step 2: Convert to fraction form
    431,910.60/596,036.22 = 240,923.88/x
  3. Step 3: Cross multiply
    431,910.60x = 596,036.22 × 240,923.88
  4. Step 4: Simplify right side
    431,910.60x = 143,599,358,742.93
  5. Step 5: Solve for x
    x = 143,599,358,742.93/431,910.60
  6. Step 6: Final answer
    x = 332,474.73

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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.