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Finding the Fourth Proportional to 441,294.28, 662,101.80 and 216,631.12

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Solution

The fourth proportional to 441,294.28, 662,101.80 and 216,631.12 is: 325,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,294.28 : 662,101.80 = 216,631.12 : x
  2. Step 2: Convert to fraction form
    441,294.28/662,101.80 = 216,631.12/x
  3. Step 3: Cross multiply
    441,294.28x = 662,101.80 × 216,631.12
  4. Step 4: Simplify right side
    441,294.28x = 143,431,854,488.02
  5. Step 5: Solve for x
    x = 143,431,854,488.02/441,294.28
  6. Step 6: Final answer
    x = 325,025.41

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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.