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Finding the Fourth Proportional to 352,363.19, 486,261.51 and 191,218.24

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Solution

The fourth proportional to 352,363.19, 486,261.51 and 191,218.24 is: 263,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,363.19 : 486,261.51 = 191,218.24 : x
  2. Step 2: Convert to fraction form
    352,363.19/486,261.51 = 191,218.24/x
  3. Step 3: Cross multiply
    352,363.19x = 486,261.51 × 191,218.24
  4. Step 4: Simplify right side
    352,363.19x = 92,982,070,121.94
  5. Step 5: Solve for x
    x = 92,982,070,121.94/352,363.19
  6. Step 6: Final answer
    x = 263,881.34

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Double scale
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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.