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Finding the Fourth Proportional to 427,665.84, 590,169.48 and 234,072.56

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Solution

The fourth proportional to 427,665.84, 590,169.48 and 234,072.56 is: 323,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,665.84 : 590,169.48 = 234,072.56 : x
  2. Step 2: Convert to fraction form
    427,665.84/590,169.48 = 234,072.56/x
  3. Step 3: Cross multiply
    427,665.84x = 590,169.48 × 234,072.56
  4. Step 4: Simplify right side
    427,665.84x = 138,142,481,017.47
  5. Step 5: Solve for x
    x = 138,142,481,017.47/427,665.84
  6. Step 6: Final answer
    x = 323,015.00

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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.