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Finding the Fourth Proportional to 431,062.85, 594,866.39 and 249,879.72

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Solution

The fourth proportional to 431,062.85, 594,866.39 and 249,879.72 is: 344,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,062.85 : 594,866.39 = 249,879.72 : x
  2. Step 2: Convert to fraction form
    431,062.85/594,866.39 = 249,879.72/x
  3. Step 3: Cross multiply
    431,062.85x = 594,866.39 × 249,879.72
  4. Step 4: Simplify right side
    431,062.85x = 148,645,046,970.61
  5. Step 5: Solve for x
    x = 148,645,046,970.61/431,062.85
  6. Step 6: Final answer
    x = 344,833.81

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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.