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Finding the Fourth Proportional to 574,023.70, 861,363.60 and 219,292.30

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Solution

The fourth proportional to 574,023.70, 861,363.60 and 219,292.30 is: 329,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,023.70 : 861,363.60 = 219,292.30 : x
  2. Step 2: Convert to fraction form
    574,023.70/861,363.60 = 219,292.30/x
  3. Step 3: Cross multiply
    574,023.70x = 861,363.60 × 219,292.30
  4. Step 4: Simplify right side
    574,023.70x = 188,890,404,980.28
  5. Step 5: Solve for x
    x = 188,890,404,980.28/574,023.70
  6. Step 6: Final answer
    x = 329,063.77

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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.