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Finding the Fourth Proportional to 356,358.60, 491,775.03 and 195,219.48

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Solution

The fourth proportional to 356,358.60, 491,775.03 and 195,219.48 is: 269,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,358.60 : 491,775.03 = 195,219.48 : x
  2. Step 2: Convert to fraction form
    356,358.60/491,775.03 = 195,219.48/x
  3. Step 3: Cross multiply
    356,358.60x = 491,775.03 × 195,219.48
  4. Step 4: Simplify right side
    356,358.60x = 96,004,065,633.58
  5. Step 5: Solve for x
    x = 96,004,065,633.58/356,358.60
  6. Step 6: Final answer
    x = 269,402.97

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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.