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Finding the Fourth Proportional to 662,195.20, 993,331.20 and 188,915.20

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Solution

The fourth proportional to 662,195.20, 993,331.20 and 188,915.20 is: 283,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,195.20 : 993,331.20 = 188,915.20 : x
  2. Step 2: Convert to fraction form
    662,195.20/993,331.20 = 188,915.20/x
  3. Step 3: Cross multiply
    662,195.20x = 993,331.20 × 188,915.20
  4. Step 4: Simplify right side
    662,195.20x = 187,655,362,314.24
  5. Step 5: Solve for x
    x = 187,655,362,314.24/662,195.20
  6. Step 6: Final answer
    x = 283,383.75

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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.