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Finding the Fourth Proportional to 533,165.40, 798,581.70 and 322,435.80

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Solution

The fourth proportional to 533,165.40, 798,581.70 and 322,435.80 is: 482,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,165.40 : 798,581.70 = 322,435.80 : x
  2. Step 2: Convert to fraction form
    533,165.40/798,581.70 = 322,435.80/x
  3. Step 3: Cross multiply
    533,165.40x = 798,581.70 × 322,435.80
  4. Step 4: Simplify right side
    533,165.40x = 257,491,329,304.86
  5. Step 5: Solve for x
    x = 257,491,329,304.86/533,165.40
  6. Step 6: Final answer
    x = 482,948.31

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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.