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Finding the Fourth Proportional to 438,954.66, 605,753.64 and 237,750.66

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Solution

The fourth proportional to 438,954.66, 605,753.64 and 237,750.66 is: 328,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,954.66 : 605,753.64 = 237,750.66 : x
  2. Step 2: Convert to fraction form
    438,954.66/605,753.64 = 237,750.66/x
  3. Step 3: Cross multiply
    438,954.66x = 605,753.64 × 237,750.66
  4. Step 4: Simplify right side
    438,954.66x = 144,018,327,707.40
  5. Step 5: Solve for x
    x = 144,018,327,707.40/438,954.66
  6. Step 6: Final answer
    x = 328,093.86

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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.