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Finding the Fourth Proportional to 431,046.61, 594,844.10 and 249,863.54

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Solution

The fourth proportional to 431,046.61, 594,844.10 and 249,863.54 is: 344,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,046.61 : 594,844.10 = 249,863.54 : x
  2. Step 2: Convert to fraction form
    431,046.61/594,844.10 = 249,863.54/x
  3. Step 3: Cross multiply
    431,046.61x = 594,844.10 × 249,863.54
  4. Step 4: Simplify right side
    431,046.61x = 148,629,850,693.05
  5. Step 5: Solve for x
    x = 148,629,850,693.05/431,046.61
  6. Step 6: Final answer
    x = 344,811.55

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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.