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Finding the Fourth Proportional to 585,742.67, 878,633.34 and 201,487.67

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Solution

The fourth proportional to 585,742.67, 878,633.34 and 201,487.67 is: 302,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,742.67 : 878,633.34 = 201,487.67 : x
  2. Step 2: Convert to fraction form
    585,742.67/878,633.34 = 201,487.67/x
  3. Step 3: Cross multiply
    585,742.67x = 878,633.34 × 201,487.67
  4. Step 4: Simplify right side
    585,742.67x = 177,033,780,067.75
  5. Step 5: Solve for x
    x = 177,033,780,067.75/585,742.67
  6. Step 6: Final answer
    x = 302,238.15

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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.