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Finding the Fourth Proportional to 363,301, 545,039 and 113,983

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Solution

The fourth proportional to 363,301, 545,039 and 113,983 is: 171,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,301 : 545,039 = 113,983 : x
  2. Step 2: Convert to fraction form
    363,301/545,039 = 113,983/x
  3. Step 3: Cross multiply
    363,301x = 545,039 × 113,983
  4. Step 4: Simplify right side
    363,301x = 62,125,180,337
  5. Step 5: Solve for x
    x = 62,125,180,337/363,301
  6. Step 6: Final answer
    x = 171,001.95

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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.