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Finding the Fourth Proportional to 493,609.70, 740,414.55 and 244,259.30

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Solution

The fourth proportional to 493,609.70, 740,414.55 and 244,259.30 is: 366,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,609.70 : 740,414.55 = 244,259.30 : x
  2. Step 2: Convert to fraction form
    493,609.70/740,414.55 = 244,259.30/x
  3. Step 3: Cross multiply
    493,609.70x = 740,414.55 × 244,259.30
  4. Step 4: Simplify right side
    493,609.70x = 180,853,139,692.82
  5. Step 5: Solve for x
    x = 180,853,139,692.82/493,609.70
  6. Step 6: Final answer
    x = 366,388.95

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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.