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Finding the Fourth Proportional to 681,575.95, 940,562.46 and 371,481.22

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Solution

The fourth proportional to 681,575.95, 940,562.46 and 371,481.22 is: 512,637.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,575.95 : 940,562.46 = 371,481.22 : x
  2. Step 2: Convert to fraction form
    681,575.95/940,562.46 = 371,481.22/x
  3. Step 3: Cross multiply
    681,575.95x = 940,562.46 × 371,481.22
  4. Step 4: Simplify right side
    681,575.95x = 349,401,290,127.00
  5. Step 5: Solve for x
    x = 349,401,290,127.00/681,575.95
  6. Step 6: Final answer
    x = 512,637.35

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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.