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Finding the Fourth Proportional to 363,754.32, 501,981.05 and 210,881.11

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Solution

The fourth proportional to 363,754.32, 501,981.05 and 210,881.11 is: 291,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,754.32 : 501,981.05 = 210,881.11 : x
  2. Step 2: Convert to fraction form
    363,754.32/501,981.05 = 210,881.11/x
  3. Step 3: Cross multiply
    363,754.32x = 501,981.05 × 210,881.11
  4. Step 4: Simplify right side
    363,754.32x = 105,858,321,022.97
  5. Step 5: Solve for x
    x = 105,858,321,022.97/363,754.32
  6. Step 6: Final answer
    x = 291,015.98

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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.