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Finding the Fourth Proportional to 366,976, 550,556.48 and 104,320

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Solution

The fourth proportional to 366,976, 550,556.48 and 104,320 is: 156,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,976 : 550,556.48 = 104,320 : x
  2. Step 2: Convert to fraction form
    366,976/550,556.48 = 104,320/x
  3. Step 3: Cross multiply
    366,976x = 550,556.48 × 104,320
  4. Step 4: Simplify right side
    366,976x = 57,434,051,993.60
  5. Step 5: Solve for x
    x = 57,434,051,993.60/366,976
  6. Step 6: Final answer
    x = 156,506.29

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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.