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Finding the Fourth Proportional to 276,593.84, 380,954.04 and 238,802.48

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Solution

The fourth proportional to 276,593.84, 380,954.04 and 238,802.48 is: 328,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,593.84 : 380,954.04 = 238,802.48 : x
  2. Step 2: Convert to fraction form
    276,593.84/380,954.04 = 238,802.48/x
  3. Step 3: Cross multiply
    276,593.84x = 380,954.04 × 238,802.48
  4. Step 4: Simplify right side
    276,593.84x = 90,972,769,518.02
  5. Step 5: Solve for x
    x = 90,972,769,518.02/276,593.84
  6. Step 6: Final answer
    x = 328,903.82

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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.