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Finding the Fourth Proportional to 335,318.60, 502,707.08 and 110,538.74

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Solution

The fourth proportional to 335,318.60, 502,707.08 and 110,538.74 is: 165,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,318.60 : 502,707.08 = 110,538.74 : x
  2. Step 2: Convert to fraction form
    335,318.60/502,707.08 = 110,538.74/x
  3. Step 3: Cross multiply
    335,318.60x = 502,707.08 × 110,538.74
  4. Step 4: Simplify right side
    335,318.60x = 55,568,607,212.28
  5. Step 5: Solve for x
    x = 55,568,607,212.28/335,318.60
  6. Step 6: Final answer
    x = 165,718.83

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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.