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Finding the Fourth Proportional to 352,679.93, 486,698.19 and 191,535.02

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Solution

The fourth proportional to 352,679.93, 486,698.19 and 191,535.02 is: 264,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,679.93 : 486,698.19 = 191,535.02 : x
  2. Step 2: Convert to fraction form
    352,679.93/486,698.19 = 191,535.02/x
  3. Step 3: Cross multiply
    352,679.93x = 486,698.19 × 191,535.02
  4. Step 4: Simplify right side
    352,679.93x = 93,219,747,555.61
  5. Step 5: Solve for x
    x = 93,219,747,555.61/352,679.93
  6. Step 6: Final answer
    x = 264,318.27

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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.