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Finding the Fourth Proportional to 612,022.60, 844,329.22 and 382,180.85

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Solution

The fourth proportional to 612,022.60, 844,329.22 and 382,180.85 is: 527,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,022.60 : 844,329.22 = 382,180.85 : x
  2. Step 2: Convert to fraction form
    612,022.60/844,329.22 = 382,180.85/x
  3. Step 3: Cross multiply
    612,022.60x = 844,329.22 × 382,180.85
  4. Step 4: Simplify right side
    612,022.60x = 322,686,456,968.57
  5. Step 5: Solve for x
    x = 322,686,456,968.57/612,022.60
  6. Step 6: Final answer
    x = 527,245.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.