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Finding the Fourth Proportional to 342,488.28, 511,632.31 and 246,902.71

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Solution

The fourth proportional to 342,488.28, 511,632.31 and 246,902.71 is: 368,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,488.28 : 511,632.31 = 246,902.71 : x
  2. Step 2: Convert to fraction form
    342,488.28/511,632.31 = 246,902.71/x
  3. Step 3: Cross multiply
    342,488.28x = 511,632.31 × 246,902.71
  4. Step 4: Simplify right side
    342,488.28x = 126,323,403,862.56
  5. Step 5: Solve for x
    x = 126,323,403,862.56/342,488.28
  6. Step 6: Final answer
    x = 368,840.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.