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Finding the Fourth Proportional to 401,079.74, 601,620.96 and 101,560.16

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Solution

The fourth proportional to 401,079.74, 601,620.96 and 101,560.16 is: 152,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,079.74 : 601,620.96 = 101,560.16 : x
  2. Step 2: Convert to fraction form
    401,079.74/601,620.96 = 101,560.16/x
  3. Step 3: Cross multiply
    401,079.74x = 601,620.96 × 101,560.16
  4. Step 4: Simplify right side
    401,079.74x = 61,100,720,956.95
  5. Step 5: Solve for x
    x = 61,100,720,956.95/401,079.74
  6. Step 6: Final answer
    x = 152,340.58

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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.