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Finding the Fourth Proportional to 463,002.40, 693,985.20 and 263,418.40

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Solution

The fourth proportional to 463,002.40, 693,985.20 and 263,418.40 is: 394,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,002.40 : 693,985.20 = 263,418.40 : x
  2. Step 2: Convert to fraction form
    463,002.40/693,985.20 = 263,418.40/x
  3. Step 3: Cross multiply
    463,002.40x = 693,985.20 × 263,418.40
  4. Step 4: Simplify right side
    463,002.40x = 182,808,471,007.68
  5. Step 5: Solve for x
    x = 182,808,471,007.68/463,002.40
  6. Step 6: Final answer
    x = 394,832.66

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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.