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Finding the Fourth Proportional to 1,144,734.22, 1,579,654.20 and 635,396.50

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Solution

The fourth proportional to 1,144,734.22, 1,579,654.20 and 635,396.50 is: 876,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,734.22 : 1,579,654.20 = 635,396.50 : x
  2. Step 2: Convert to fraction form
    1,144,734.22/1,579,654.20 = 635,396.50/x
  3. Step 3: Cross multiply
    1,144,734.22x = 1,579,654.20 × 635,396.50
  4. Step 4: Simplify right side
    1,144,734.22x = 1,003,706,749,890.30
  5. Step 5: Solve for x
    x = 1,003,706,749,890.30/1,144,734.22
  6. Step 6: Final answer
    x = 876,803.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.