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Finding the Fourth Proportional to 535,366.53, 801,979.10 and 322,016.63

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Solution

The fourth proportional to 535,366.53, 801,979.10 and 322,016.63 is: 482,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,366.53 : 801,979.10 = 322,016.63 : x
  2. Step 2: Convert to fraction form
    535,366.53/801,979.10 = 322,016.63/x
  3. Step 3: Cross multiply
    535,366.53x = 801,979.10 × 322,016.63
  4. Step 4: Simplify right side
    535,366.53x = 258,250,601,492.45
  5. Step 5: Solve for x
    x = 258,250,601,492.45/535,366.53
  6. Step 6: Final answer
    x = 482,380.92

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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.