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Finding the Fourth Proportional to 262,346.84, 391,474.12 and 234,072.54

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Solution

The fourth proportional to 262,346.84, 391,474.12 and 234,072.54 is: 349,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,346.84 : 391,474.12 = 234,072.54 : x
  2. Step 2: Convert to fraction form
    262,346.84/391,474.12 = 234,072.54/x
  3. Step 3: Cross multiply
    262,346.84x = 391,474.12 × 234,072.54
  4. Step 4: Simplify right side
    262,346.84x = 91,633,341,612.66
  5. Step 5: Solve for x
    x = 91,633,341,612.66/262,346.84
  6. Step 6: Final answer
    x = 349,283.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.