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Finding the Fourth Proportional to 441,290.28, 662,095.80 and 216,627.12

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Solution

The fourth proportional to 441,290.28, 662,095.80 and 216,627.12 is: 325,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,290.28 : 662,095.80 = 216,627.12 : x
  2. Step 2: Convert to fraction form
    441,290.28/662,095.80 = 216,627.12/x
  3. Step 3: Cross multiply
    441,290.28x = 662,095.80 × 216,627.12
  4. Step 4: Simplify right side
    441,290.28x = 143,427,906,318.10
  5. Step 5: Solve for x
    x = 143,427,906,318.10/441,290.28
  6. Step 6: Final answer
    x = 325,019.41

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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.