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Finding the Fourth Proportional to 352,411.84, 486,331.84 and 191,268.32

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Solution

The fourth proportional to 352,411.84, 486,331.84 and 191,268.32 is: 263,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,411.84 : 486,331.84 = 191,268.32 : x
  2. Step 2: Convert to fraction form
    352,411.84/486,331.84 = 191,268.32/x
  3. Step 3: Cross multiply
    352,411.84x = 486,331.84 × 191,268.32
  4. Step 4: Simplify right side
    352,411.84x = 93,019,873,999.31
  5. Step 5: Solve for x
    x = 93,019,873,999.31/352,411.84
  6. Step 6: Final answer
    x = 263,952.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.