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Finding the Fourth Proportional to 332,875.28, 499,333.94 and 140,713.88

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Solution

The fourth proportional to 332,875.28, 499,333.94 and 140,713.88 is: 211,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,875.28 : 499,333.94 = 140,713.88 : x
  2. Step 2: Convert to fraction form
    332,875.28/499,333.94 = 140,713.88/x
  3. Step 3: Cross multiply
    332,875.28x = 499,333.94 × 140,713.88
  4. Step 4: Simplify right side
    332,875.28x = 70,263,216,113.09
  5. Step 5: Solve for x
    x = 70,263,216,113.09/332,875.28
  6. Step 6: Final answer
    x = 211,079.71

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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.