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Finding the Fourth Proportional to 605,761.67, 909,064.15 and 250,777.55

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Solution

The fourth proportional to 605,761.67, 909,064.15 and 250,777.55 is: 376,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,761.67 : 909,064.15 = 250,777.55 : x
  2. Step 2: Convert to fraction form
    605,761.67/909,064.15 = 250,777.55/x
  3. Step 3: Cross multiply
    605,761.67x = 909,064.15 × 250,777.55
  4. Step 4: Simplify right side
    605,761.67x = 227,972,881,975.55
  5. Step 5: Solve for x
    x = 227,972,881,975.55/605,761.67
  6. Step 6: Final answer
    x = 376,340.88

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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.