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Finding the Fourth Proportional to 441,801.95, 662,727.22 and 142,260.71

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Solution

The fourth proportional to 441,801.95, 662,727.22 and 142,260.71 is: 213,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,801.95 : 662,727.22 = 142,260.71 : x
  2. Step 2: Convert to fraction form
    441,801.95/662,727.22 = 142,260.71/x
  3. Step 3: Cross multiply
    441,801.95x = 662,727.22 × 142,260.71
  4. Step 4: Simplify right side
    441,801.95x = 94,280,041,184.24
  5. Step 5: Solve for x
    x = 94,280,041,184.24/441,801.95
  6. Step 6: Final answer
    x = 213,398.88

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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.