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Finding the Fourth Proportional to 332,858.39, 499,079.56 and 140,634.00

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Solution

The fourth proportional to 332,858.39, 499,079.56 and 140,634.00 is: 210,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,858.39 : 499,079.56 = 140,634.00 : x
  2. Step 2: Convert to fraction form
    332,858.39/499,079.56 = 140,634.00/x
  3. Step 3: Cross multiply
    332,858.39x = 499,079.56 × 140,634.00
  4. Step 4: Simplify right side
    332,858.39x = 70,187,551,642.47
  5. Step 5: Solve for x
    x = 70,187,551,642.47/332,858.39
  6. Step 6: Final answer
    x = 210,863.10

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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.