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Finding the Fourth Proportional to 438,981.44, 605,796.72 and 237,777.44

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Solution

The fourth proportional to 438,981.44, 605,796.72 and 237,777.44 is: 328,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,981.44 : 605,796.72 = 237,777.44 : x
  2. Step 2: Convert to fraction form
    438,981.44/605,796.72 = 237,777.44/x
  3. Step 3: Cross multiply
    438,981.44x = 605,796.72 × 237,777.44
  4. Step 4: Simplify right side
    438,981.44x = 144,044,793,242.00
  5. Step 5: Solve for x
    x = 144,044,793,242.00/438,981.44
  6. Step 6: Final answer
    x = 328,134.13

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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.