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Finding the Fourth Proportional to 441,685.08, 662,633.33 and 142,193.66

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Solution

The fourth proportional to 441,685.08, 662,633.33 and 142,193.66 is: 213,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,685.08 : 662,633.33 = 142,193.66 : x
  2. Step 2: Convert to fraction form
    441,685.08/662,633.33 = 142,193.66/x
  3. Step 3: Cross multiply
    441,685.08x = 662,633.33 × 142,193.66
  4. Step 4: Simplify right side
    441,685.08x = 94,222,254,406.55
  5. Step 5: Solve for x
    x = 94,222,254,406.55/441,685.08
  6. Step 6: Final answer
    x = 213,324.51

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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.