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Finding the Fourth Proportional to 441,690.87, 662,669.32 and 157,344.30

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Solution

The fourth proportional to 441,690.87, 662,669.32 and 157,344.30 is: 236,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,690.87 : 662,669.32 = 157,344.30 : x
  2. Step 2: Convert to fraction form
    441,690.87/662,669.32 = 157,344.30/x
  3. Step 3: Cross multiply
    441,690.87x = 662,669.32 × 157,344.30
  4. Step 4: Simplify right side
    441,690.87x = 104,267,241,854.44
  5. Step 5: Solve for x
    x = 104,267,241,854.44/441,690.87
  6. Step 6: Final answer
    x = 236,063.84

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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.