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Finding the Fourth Proportional to 336,083.40, 464,428.80 and 265,027.80

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Solution

The fourth proportional to 336,083.40, 464,428.80 and 265,027.80 is: 366,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,083.40 : 464,428.80 = 265,027.80 : x
  2. Step 2: Convert to fraction form
    336,083.40/464,428.80 = 265,027.80/x
  3. Step 3: Cross multiply
    336,083.40x = 464,428.80 × 265,027.80
  4. Step 4: Simplify right side
    336,083.40x = 123,086,543,120.64
  5. Step 5: Solve for x
    x = 123,086,543,120.64/336,083.40
  6. Step 6: Final answer
    x = 366,238.09

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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.