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Finding the Fourth Proportional to 275,970.52, 415,799.91 and 249,347.44

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Solution

The fourth proportional to 275,970.52, 415,799.91 and 249,347.44 is: 375,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,970.52 : 415,799.91 = 249,347.44 : x
  2. Step 2: Convert to fraction form
    275,970.52/415,799.91 = 249,347.44/x
  3. Step 3: Cross multiply
    275,970.52x = 415,799.91 × 249,347.44
  4. Step 4: Simplify right side
    275,970.52x = 103,678,643,110.73
  5. Step 5: Solve for x
    x = 103,678,643,110.73/275,970.52
  6. Step 6: Final answer
    x = 375,687.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.