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Finding the Fourth Proportional to 339,760.20, 468,870.02 and 186,814.03

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Solution

The fourth proportional to 339,760.20, 468,870.02 and 186,814.03 is: 257,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,760.20 : 468,870.02 = 186,814.03 : x
  2. Step 2: Convert to fraction form
    339,760.20/468,870.02 = 186,814.03/x
  3. Step 3: Cross multiply
    339,760.20x = 468,870.02 × 186,814.03
  4. Step 4: Simplify right side
    339,760.20x = 87,591,495,876.14
  5. Step 5: Solve for x
    x = 87,591,495,876.14/339,760.20
  6. Step 6: Final answer
    x = 257,803.87

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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.