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Finding the Fourth Proportional to 401,079.24, 601,620.23 and 101,559.68

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Solution

The fourth proportional to 401,079.24, 601,620.23 and 101,559.68 is: 152,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,079.24 : 601,620.23 = 101,559.68 : x
  2. Step 2: Convert to fraction form
    401,079.24/601,620.23 = 101,559.68/x
  3. Step 3: Cross multiply
    401,079.24x = 601,620.23 × 101,559.68
  4. Step 4: Simplify right side
    401,079.24x = 61,100,354,524.43
  5. Step 5: Solve for x
    x = 61,100,354,524.43/401,079.24
  6. Step 6: Final answer
    x = 152,339.86

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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.