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Finding the Fourth Proportional to 571,755.57, 857,414.67 and 192,574.26

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Solution

The fourth proportional to 571,755.57, 857,414.67 and 192,574.26 is: 288,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,755.57 : 857,414.67 = 192,574.26 : x
  2. Step 2: Convert to fraction form
    571,755.57/857,414.67 = 192,574.26/x
  3. Step 3: Cross multiply
    571,755.57x = 857,414.67 × 192,574.26
  4. Step 4: Simplify right side
    571,755.57x = 165,115,995,588.39
  5. Step 5: Solve for x
    x = 165,115,995,588.39/571,755.57
  6. Step 6: Final answer
    x = 288,787.73

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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.