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Finding the Fourth Proportional to 363,710.90, 501,901.51 and 200,362.05

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Solution

The fourth proportional to 363,710.90, 501,901.51 and 200,362.05 is: 276,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,710.90 : 501,901.51 = 200,362.05 : x
  2. Step 2: Convert to fraction form
    363,710.90/501,901.51 = 200,362.05/x
  3. Step 3: Cross multiply
    363,710.90x = 501,901.51 × 200,362.05
  4. Step 4: Simplify right side
    363,710.90x = 100,562,014,439.89
  5. Step 5: Solve for x
    x = 100,562,014,439.89/363,710.90
  6. Step 6: Final answer
    x = 276,488.87

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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.