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Finding the Fourth Proportional to 693,365.88, 1,040,087.70 and 194,691

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Solution

The fourth proportional to 693,365.88, 1,040,087.70 and 194,691 is: 292,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,365.88 : 1,040,087.70 = 194,691 : x
  2. Step 2: Convert to fraction form
    693,365.88/1,040,087.70 = 194,691/x
  3. Step 3: Cross multiply
    693,365.88x = 1,040,087.70 × 194,691
  4. Step 4: Simplify right side
    693,365.88x = 202,495,714,400.70
  5. Step 5: Solve for x
    x = 202,495,714,400.70/693,365.88
  6. Step 6: Final answer
    x = 292,047.42

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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.