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Finding the Fourth Proportional to 336,363.40, 503,974.15 and 202,963.35

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Solution

The fourth proportional to 336,363.40, 503,974.15 and 202,963.35 is: 304,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,363.40 : 503,974.15 = 202,963.35 : x
  2. Step 2: Convert to fraction form
    336,363.40/503,974.15 = 202,963.35/x
  3. Step 3: Cross multiply
    336,363.40x = 503,974.15 × 202,963.35
  4. Step 4: Simplify right side
    336,363.40x = 102,288,281,797.40
  5. Step 5: Solve for x
    x = 102,288,281,797.40/336,363.40
  6. Step 6: Final answer
    x = 304,100.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.