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Finding the Fourth Proportional to 363,213.64, 501,251.04 and 302,683

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Solution

The fourth proportional to 363,213.64, 501,251.04 and 302,683 is: 417,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,213.64 : 501,251.04 = 302,683 : x
  2. Step 2: Convert to fraction form
    363,213.64/501,251.04 = 302,683/x
  3. Step 3: Cross multiply
    363,213.64x = 501,251.04 × 302,683
  4. Step 4: Simplify right side
    363,213.64x = 151,720,168,540.32
  5. Step 5: Solve for x
    x = 151,720,168,540.32/363,213.64
  6. Step 6: Final answer
    x = 417,716.05

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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.