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Finding the Fourth Proportional to 462,403.62, 693,651.60 and 125,449.83

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Solution

The fourth proportional to 462,403.62, 693,651.60 and 125,449.83 is: 188,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,403.62 : 693,651.60 = 125,449.83 : x
  2. Step 2: Convert to fraction form
    462,403.62/693,651.60 = 125,449.83/x
  3. Step 3: Cross multiply
    462,403.62x = 693,651.60 × 125,449.83
  4. Step 4: Simplify right side
    462,403.62x = 87,018,475,299.23
  5. Step 5: Solve for x
    x = 87,018,475,299.23/462,403.62
  6. Step 6: Final answer
    x = 188,187.27

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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.