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Finding the Fourth Proportional to 275,920.50, 413,534.49 and 117,963.30

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Solution

The fourth proportional to 275,920.50, 413,534.49 and 117,963.30 is: 176,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,920.50 : 413,534.49 = 117,963.30 : x
  2. Step 2: Convert to fraction form
    275,920.50/413,534.49 = 117,963.30/x
  3. Step 3: Cross multiply
    275,920.50x = 413,534.49 × 117,963.30
  4. Step 4: Simplify right side
    275,920.50x = 48,781,893,104.22
  5. Step 5: Solve for x
    x = 48,781,893,104.22/275,920.50
  6. Step 6: Final answer
    x = 176,796.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.