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Finding the Fourth Proportional to 376,616.25, 519,603.93 and 213,250.50

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Solution

The fourth proportional to 376,616.25, 519,603.93 and 213,250.50 is: 294,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,616.25 : 519,603.93 = 213,250.50 : x
  2. Step 2: Convert to fraction form
    376,616.25/519,603.93 = 213,250.50/x
  3. Step 3: Cross multiply
    376,616.25x = 519,603.93 × 213,250.50
  4. Step 4: Simplify right side
    376,616.25x = 110,805,797,874.47
  5. Step 5: Solve for x
    x = 110,805,797,874.47/376,616.25
  6. Step 6: Final answer
    x = 294,214.07

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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.