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Finding the Fourth Proportional to 552,758.56, 829,215.60 and 272,278.24

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Solution

The fourth proportional to 552,758.56, 829,215.60 and 272,278.24 is: 408,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,758.56 : 829,215.60 = 272,278.24 : x
  2. Step 2: Convert to fraction form
    552,758.56/829,215.60 = 272,278.24/x
  3. Step 3: Cross multiply
    552,758.56x = 829,215.60 × 272,278.24
  4. Step 4: Simplify right side
    552,758.56x = 225,777,364,148.54
  5. Step 5: Solve for x
    x = 225,777,364,148.54/552,758.56
  6. Step 6: Final answer
    x = 408,455.66

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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.