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Finding the Fourth Proportional to 195,593.60, 293,390.40 and 194,427.20

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Solution

The fourth proportional to 195,593.60, 293,390.40 and 194,427.20 is: 291,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,593.60 : 293,390.40 = 194,427.20 : x
  2. Step 2: Convert to fraction form
    195,593.60/293,390.40 = 194,427.20/x
  3. Step 3: Cross multiply
    195,593.60x = 293,390.40 × 194,427.20
  4. Step 4: Simplify right side
    195,593.60x = 57,043,073,978.88
  5. Step 5: Solve for x
    x = 57,043,073,978.88/195,593.60
  6. Step 6: Final answer
    x = 291,640.80

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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.