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Finding the Fourth Proportional to 539,425.72, 809,138.99 and 184,442.41

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Solution

The fourth proportional to 539,425.72, 809,138.99 and 184,442.41 is: 276,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,425.72 : 809,138.99 = 184,442.41 : x
  2. Step 2: Convert to fraction form
    539,425.72/809,138.99 = 184,442.41/x
  3. Step 3: Cross multiply
    539,425.72x = 809,138.99 × 184,442.41
  4. Step 4: Simplify right side
    539,425.72x = 149,239,545,340.57
  5. Step 5: Solve for x
    x = 149,239,545,340.57/539,425.72
  6. Step 6: Final answer
    x = 276,663.76

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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.