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Finding the Fourth Proportional to 283,323.76, 422,912.73 and 249,694.54

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Solution

The fourth proportional to 283,323.76, 422,912.73 and 249,694.54 is: 372,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,323.76 : 422,912.73 = 249,694.54 : x
  2. Step 2: Convert to fraction form
    283,323.76/422,912.73 = 249,694.54/x
  3. Step 3: Cross multiply
    283,323.76x = 422,912.73 × 249,694.54
  4. Step 4: Simplify right side
    283,323.76x = 105,598,999,456.57
  5. Step 5: Solve for x
    x = 105,598,999,456.57/283,323.76
  6. Step 6: Final answer
    x = 372,714.95

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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.