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Finding the Fourth Proportional to 608,786.85, 912,182.92 and 324,175.23

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Solution

The fourth proportional to 608,786.85, 912,182.92 and 324,175.23 is: 485,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,786.85 : 912,182.92 = 324,175.23 : x
  2. Step 2: Convert to fraction form
    608,786.85/912,182.92 = 324,175.23/x
  3. Step 3: Cross multiply
    608,786.85x = 912,182.92 × 324,175.23
  4. Step 4: Simplify right side
    608,786.85x = 295,707,107,082.63
  5. Step 5: Solve for x
    x = 295,707,107,082.63/608,786.85
  6. Step 6: Final answer
    x = 485,731.76

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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.