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Finding the Fourth Proportional to 431,620.28, 595,622.94 and 238,027.89

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Solution

The fourth proportional to 431,620.28, 595,622.94 and 238,027.89 is: 328,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,620.28 : 595,622.94 = 238,027.89 : x
  2. Step 2: Convert to fraction form
    431,620.28/595,622.94 = 238,027.89/x
  3. Step 3: Cross multiply
    431,620.28x = 595,622.94 × 238,027.89
  4. Step 4: Simplify right side
    431,620.28x = 141,774,871,643.80
  5. Step 5: Solve for x
    x = 141,774,871,643.80/431,620.28
  6. Step 6: Final answer
    x = 328,471.29

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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.