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Finding the Fourth Proportional to 275,969.52, 415,798.40 and 249,346.44

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Solution

The fourth proportional to 275,969.52, 415,798.40 and 249,346.44 is: 375,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,969.52 : 415,798.40 = 249,346.44 : x
  2. Step 2: Convert to fraction form
    275,969.52/415,798.40 = 249,346.44/x
  3. Step 3: Cross multiply
    275,969.52x = 415,798.40 × 249,346.44
  4. Step 4: Simplify right side
    275,969.52x = 103,677,850,797.70
  5. Step 5: Solve for x
    x = 103,677,850,797.70/275,969.52
  6. Step 6: Final answer
    x = 375,685.88

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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.