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Finding the Fourth Proportional to 884,449.75, 1,326,689.03 and 253,361.11

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Solution

The fourth proportional to 884,449.75, 1,326,689.03 and 253,361.11 is: 380,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,449.75 : 1,326,689.03 = 253,361.11 : x
  2. Step 2: Convert to fraction form
    884,449.75/1,326,689.03 = 253,361.11/x
  3. Step 3: Cross multiply
    884,449.75x = 1,326,689.03 × 253,361.11
  4. Step 4: Simplify right side
    884,449.75x = 336,131,405,265.62
  5. Step 5: Solve for x
    x = 336,131,405,265.62/884,449.75
  6. Step 6: Final answer
    x = 380,045.79

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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.