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Finding the Fourth Proportional to 571,882.87, 857,713.60 and 192,763.72

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Solution

The fourth proportional to 571,882.87, 857,713.60 and 192,763.72 is: 289,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,882.87 : 857,713.60 = 192,763.72 : x
  2. Step 2: Convert to fraction form
    571,882.87/857,713.60 = 192,763.72/x
  3. Step 3: Cross multiply
    571,882.87x = 857,713.60 × 192,763.72
  4. Step 4: Simplify right side
    571,882.87x = 165,336,064,230.59
  5. Step 5: Solve for x
    x = 165,336,064,230.59/571,882.87
  6. Step 6: Final answer
    x = 289,108.26

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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.