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Finding the Fourth Proportional to 363,251.03, 501,278.60 and 210,295.68

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Solution

The fourth proportional to 363,251.03, 501,278.60 and 210,295.68 is: 290,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,251.03 : 501,278.60 = 210,295.68 : x
  2. Step 2: Convert to fraction form
    363,251.03/501,278.60 = 210,295.68/x
  3. Step 3: Cross multiply
    363,251.03x = 501,278.60 × 210,295.68
  4. Step 4: Simplify right side
    363,251.03x = 105,416,723,004.97
  5. Step 5: Solve for x
    x = 105,416,723,004.97/363,251.03
  6. Step 6: Final answer
    x = 290,203.51

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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.