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Finding the Fourth Proportional to 326,722.60, 490,098.30 and 184,565.80

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Solution

The fourth proportional to 326,722.60, 490,098.30 and 184,565.80 is: 276,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,722.60 : 490,098.30 = 184,565.80 : x
  2. Step 2: Convert to fraction form
    326,722.60/490,098.30 = 184,565.80/x
  3. Step 3: Cross multiply
    326,722.60x = 490,098.30 × 184,565.80
  4. Step 4: Simplify right side
    326,722.60x = 90,455,384,818.14
  5. Step 5: Solve for x
    x = 90,455,384,818.14/326,722.60
  6. Step 6: Final answer
    x = 276,856.83

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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.