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Finding the Fourth Proportional to 324,806.20, 486,518.10 and 262,598.20

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Solution

The fourth proportional to 324,806.20, 486,518.10 and 262,598.20 is: 393,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,806.20 : 486,518.10 = 262,598.20 : x
  2. Step 2: Convert to fraction form
    324,806.20/486,518.10 = 262,598.20/x
  3. Step 3: Cross multiply
    324,806.20x = 486,518.10 × 262,598.20
  4. Step 4: Simplify right side
    324,806.20x = 127,758,777,327.42
  5. Step 5: Solve for x
    x = 127,758,777,327.42/324,806.20
  6. Step 6: Final answer
    x = 393,338.48

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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.