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Finding the Fourth Proportional to 324,069.90, 486,104.85 and 245,337.90

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Solution

The fourth proportional to 324,069.90, 486,104.85 and 245,337.90 is: 368,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,069.90 : 486,104.85 = 245,337.90 : x
  2. Step 2: Convert to fraction form
    324,069.90/486,104.85 = 245,337.90/x
  3. Step 3: Cross multiply
    324,069.90x = 486,104.85 × 245,337.90
  4. Step 4: Simplify right side
    324,069.90x = 119,259,943,078.82
  5. Step 5: Solve for x
    x = 119,259,943,078.82/324,069.90
  6. Step 6: Final answer
    x = 368,006.85

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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.