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Finding the Fourth Proportional to 544,878.75, 817,309.91 and 245,147.67

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Solution

The fourth proportional to 544,878.75, 817,309.91 and 245,147.67 is: 367,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.75 : 817,309.91 = 245,147.67 : x
  2. Step 2: Convert to fraction form
    544,878.75/817,309.91 = 245,147.67/x
  3. Step 3: Cross multiply
    544,878.75x = 817,309.91 × 245,147.67
  4. Step 4: Simplify right side
    544,878.75x = 200,361,620,717.28
  5. Step 5: Solve for x
    x = 200,361,620,717.28/544,878.75
  6. Step 6: Final answer
    x = 367,717.81

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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.