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Finding the Fourth Proportional to 352,468.96, 486,393.96 and 191,320.54

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Solution

The fourth proportional to 352,468.96, 486,393.96 and 191,320.54 is: 264,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,468.96 : 486,393.96 = 191,320.54 : x
  2. Step 2: Convert to fraction form
    352,468.96/486,393.96 = 191,320.54/x
  3. Step 3: Cross multiply
    352,468.96x = 486,393.96 × 191,320.54
  4. Step 4: Simplify right side
    352,468.96x = 93,057,155,079.94
  5. Step 5: Solve for x
    x = 93,057,155,079.94/352,468.96
  6. Step 6: Final answer
    x = 264,015.18

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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.