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Finding the Fourth Proportional to 352,442.66, 486,357.83 and 191,294.29

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Solution

The fourth proportional to 352,442.66, 486,357.83 and 191,294.29 is: 263,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,442.66 : 486,357.83 = 191,294.29 : x
  2. Step 2: Convert to fraction form
    352,442.66/486,357.83 = 191,294.29/x
  3. Step 3: Cross multiply
    352,442.66x = 486,357.83 × 191,294.29
  4. Step 4: Simplify right side
    352,442.66x = 93,037,473,344.00
  5. Step 5: Solve for x
    x = 93,037,473,344.00/352,442.66
  6. Step 6: Final answer
    x = 263,979.04

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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.