Home / 326,166.20-489,249.30-302,546.60

Finding the Fourth Proportional to 326,166.20, 489,249.30 and 302,546.60

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Solution

The fourth proportional to 326,166.20, 489,249.30 and 302,546.60 is: 453,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,166.20 : 489,249.30 = 302,546.60 : x
  2. Step 2: Convert to fraction form
    326,166.20/489,249.30 = 302,546.60/x
  3. Step 3: Cross multiply
    326,166.20x = 489,249.30 × 302,546.60
  4. Step 4: Simplify right side
    326,166.20x = 148,020,712,267.38
  5. Step 5: Solve for x
    x = 148,020,712,267.38/326,166.20
  6. Step 6: Final answer
    x = 453,819.90

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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.