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Finding the Fourth Proportional to 411,205.76, 567,290.16 and 275,283.48

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Solution

The fourth proportional to 411,205.76, 567,290.16 and 275,283.48 is: 379,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,205.76 : 567,290.16 = 275,283.48 : x
  2. Step 2: Convert to fraction form
    411,205.76/567,290.16 = 275,283.48/x
  3. Step 3: Cross multiply
    411,205.76x = 567,290.16 × 275,283.48
  4. Step 4: Simplify right side
    411,205.76x = 156,165,609,414.56
  5. Step 5: Solve for x
    x = 156,165,609,414.56/411,205.76
  6. Step 6: Final answer
    x = 379,774.86

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1.5x scale

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.