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Finding the Fourth Proportional to 652,860.85, 978,844.56 and 332,392.56

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Solution

The fourth proportional to 652,860.85, 978,844.56 and 332,392.56 is: 498,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,860.85 : 978,844.56 = 332,392.56 : x
  2. Step 2: Convert to fraction form
    652,860.85/978,844.56 = 332,392.56/x
  3. Step 3: Cross multiply
    652,860.85x = 978,844.56 × 332,392.56
  4. Step 4: Simplify right side
    652,860.85x = 325,360,651,014.76
  5. Step 5: Solve for x
    x = 325,360,651,014.76/652,860.85
  6. Step 6: Final answer
    x = 498,361.41

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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.