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Finding the Fourth Proportional to 534,638.88, 737,820.09 and 292,942.17

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Solution

The fourth proportional to 534,638.88, 737,820.09 and 292,942.17 is: 404,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,638.88 : 737,820.09 = 292,942.17 : x
  2. Step 2: Convert to fraction form
    534,638.88/737,820.09 = 292,942.17/x
  3. Step 3: Cross multiply
    534,638.88x = 737,820.09 × 292,942.17
  4. Step 4: Simplify right side
    534,638.88x = 216,138,618,234.20
  5. Step 5: Solve for x
    x = 216,138,618,234.20/534,638.88
  6. Step 6: Final answer
    x = 404,270.30

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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.