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Finding the Fourth Proportional to 571,572.86, 857,359.30 and 192,461.85

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Solution

The fourth proportional to 571,572.86, 857,359.30 and 192,461.85 is: 288,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,572.86 : 857,359.30 = 192,461.85 : x
  2. Step 2: Convert to fraction form
    571,572.86/857,359.30 = 192,461.85/x
  3. Step 3: Cross multiply
    571,572.86x = 857,359.30 × 192,461.85
  4. Step 4: Simplify right side
    571,572.86x = 165,008,956,992.71
  5. Step 5: Solve for x
    x = 165,008,956,992.71/571,572.86
  6. Step 6: Final answer
    x = 288,692.78

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Double scale
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Similar ratio
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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.