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Finding the Fourth Proportional to 479,637.89, 661,882.94 and 264,773.34

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Solution

The fourth proportional to 479,637.89, 661,882.94 and 264,773.34 is: 365,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,637.89 : 661,882.94 = 264,773.34 : x
  2. Step 2: Convert to fraction form
    479,637.89/661,882.94 = 264,773.34/x
  3. Step 3: Cross multiply
    479,637.89x = 661,882.94 × 264,773.34
  4. Step 4: Simplify right side
    479,637.89x = 175,248,955,388.95
  5. Step 5: Solve for x
    x = 175,248,955,388.95/479,637.89
  6. Step 6: Final answer
    x = 365,377.63

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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.