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Finding the Fourth Proportional to 352,404.84, 486,322.18 and 191,261.32

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Solution

The fourth proportional to 352,404.84, 486,322.18 and 191,261.32 is: 263,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,404.84 : 486,322.18 = 191,261.32 : x
  2. Step 2: Convert to fraction form
    352,404.84/486,322.18 = 191,261.32/x
  3. Step 3: Cross multiply
    352,404.84x = 486,322.18 × 191,261.32
  4. Step 4: Simplify right side
    352,404.84x = 93,014,622,092.08
  5. Step 5: Solve for x
    x = 93,014,622,092.08/352,404.84
  6. Step 6: Final answer
    x = 263,942.52

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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.