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Finding the Fourth Proportional to 344,082.80, 516,124.20 and 265,350.80

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Solution

The fourth proportional to 344,082.80, 516,124.20 and 265,350.80 is: 398,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,082.80 : 516,124.20 = 265,350.80 : x
  2. Step 2: Convert to fraction form
    344,082.80/516,124.20 = 265,350.80/x
  3. Step 3: Cross multiply
    344,082.80x = 516,124.20 × 265,350.80
  4. Step 4: Simplify right side
    344,082.80x = 136,953,969,369.36
  5. Step 5: Solve for x
    x = 136,953,969,369.36/344,082.80
  6. Step 6: Final answer
    x = 398,026.20

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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.