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Finding the Fourth Proportional to 520,960.62, 718,720.11 and 327,254.52

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Solution

The fourth proportional to 520,960.62, 718,720.11 and 327,254.52 is: 451,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,960.62 : 718,720.11 = 327,254.52 : x
  2. Step 2: Convert to fraction form
    520,960.62/718,720.11 = 327,254.52/x
  3. Step 3: Cross multiply
    520,960.62x = 718,720.11 × 327,254.52
  4. Step 4: Simplify right side
    520,960.62x = 235,204,404,612.40
  5. Step 5: Solve for x
    x = 235,204,404,612.40/520,960.62
  6. Step 6: Final answer
    x = 451,482.12

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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.