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Finding the Fourth Proportional to 571,625.64, 857,770.56 and 256,082.55

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Solution

The fourth proportional to 571,625.64, 857,770.56 and 256,082.55 is: 384,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,625.64 : 857,770.56 = 256,082.55 : x
  2. Step 2: Convert to fraction form
    571,625.64/857,770.56 = 256,082.55/x
  3. Step 3: Cross multiply
    571,625.64x = 857,770.56 × 256,082.55
  4. Step 4: Simplify right side
    571,625.64x = 219,660,069,103.09
  5. Step 5: Solve for x
    x = 219,660,069,103.09/571,625.64
  6. Step 6: Final answer
    x = 384,272.60

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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.