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Finding the Fourth Proportional to 463,074.77, 639,027.11 and 256,352.14

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Solution

The fourth proportional to 463,074.77, 639,027.11 and 256,352.14 is: 353,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,074.77 : 639,027.11 = 256,352.14 : x
  2. Step 2: Convert to fraction form
    463,074.77/639,027.11 = 256,352.14/x
  3. Step 3: Cross multiply
    463,074.77x = 639,027.11 × 256,352.14
  4. Step 4: Simplify right side
    463,074.77x = 163,815,962,689.62
  5. Step 5: Solve for x
    x = 163,815,962,689.62/463,074.77
  6. Step 6: Final answer
    x = 353,757.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.