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Finding the Fourth Proportional to 307,473.56, 461,352.78 and 117,870.57

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Solution

The fourth proportional to 307,473.56, 461,352.78 and 117,870.57 is: 176,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,473.56 : 461,352.78 = 117,870.57 : x
  2. Step 2: Convert to fraction form
    307,473.56/461,352.78 = 117,870.57/x
  3. Step 3: Cross multiply
    307,473.56x = 461,352.78 × 117,870.57
  4. Step 4: Simplify right side
    307,473.56x = 54,379,915,149.68
  5. Step 5: Solve for x
    x = 54,379,915,149.68/307,473.56
  6. Step 6: Final answer
    x = 176,860.46

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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.