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Finding the Fourth Proportional to 671,589.11, 926,761.95 and 365,664.53

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Solution

The fourth proportional to 671,589.11, 926,761.95 and 365,664.53 is: 504,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,589.11 : 926,761.95 = 365,664.53 : x
  2. Step 2: Convert to fraction form
    671,589.11/926,761.95 = 365,664.53/x
  3. Step 3: Cross multiply
    671,589.11x = 926,761.95 × 365,664.53
  4. Step 4: Simplify right side
    671,589.11x = 338,883,968,234.82
  5. Step 5: Solve for x
    x = 338,883,968,234.82/671,589.11
  6. Step 6: Final answer
    x = 504,600.16

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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.