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Finding the Fourth Proportional to 571,363.35, 857,103.39 and 197,337.75

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Solution

The fourth proportional to 571,363.35, 857,103.39 and 197,337.75 is: 296,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,363.35 : 857,103.39 = 197,337.75 : x
  2. Step 2: Convert to fraction form
    571,363.35/857,103.39 = 197,337.75/x
  3. Step 3: Cross multiply
    571,363.35x = 857,103.39 × 197,337.75
  4. Step 4: Simplify right side
    571,363.35x = 169,138,854,499.97
  5. Step 5: Solve for x
    x = 169,138,854,499.97/571,363.35
  6. Step 6: Final answer
    x = 296,026.78

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Double scale
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Similar ratio
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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.