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Finding the Fourth Proportional to 767,794.80, 1,151,778.60 and 235,311.60

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Solution

The fourth proportional to 767,794.80, 1,151,778.60 and 235,311.60 is: 352,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,794.80 : 1,151,778.60 = 235,311.60 : x
  2. Step 2: Convert to fraction form
    767,794.80/1,151,778.60 = 235,311.60/x
  3. Step 3: Cross multiply
    767,794.80x = 1,151,778.60 × 235,311.60
  4. Step 4: Simplify right side
    767,794.80x = 271,026,865,211.76
  5. Step 5: Solve for x
    x = 271,026,865,211.76/767,794.80
  6. Step 6: Final answer
    x = 352,993.88

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1.5x scale

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.