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Finding the Fourth Proportional to 352,371.80, 486,273.42 and 191,226.88

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Solution

The fourth proportional to 352,371.80, 486,273.42 and 191,226.88 is: 263,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,371.80 : 486,273.42 = 191,226.88 : x
  2. Step 2: Convert to fraction form
    352,371.80/486,273.42 = 191,226.88/x
  3. Step 3: Cross multiply
    352,371.80x = 486,273.42 × 191,226.88
  4. Step 4: Simplify right side
    352,371.80x = 92,988,549,541.37
  5. Step 5: Solve for x
    x = 92,988,549,541.37/352,371.80
  6. Step 6: Final answer
    x = 263,893.28

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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.