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Finding the Fourth Proportional to 352,956.29, 487,082.72 and 191,811.29

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Solution

The fourth proportional to 352,956.29, 487,082.72 and 191,811.29 is: 264,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,956.29 : 487,082.72 = 191,811.29 : x
  2. Step 2: Convert to fraction form
    352,956.29/487,082.72 = 191,811.29/x
  3. Step 3: Cross multiply
    352,956.29x = 487,082.72 × 191,811.29
  4. Step 4: Simplify right side
    352,956.29x = 93,427,964,564.93
  5. Step 5: Solve for x
    x = 93,427,964,564.93/352,956.29
  6. Step 6: Final answer
    x = 264,701.24

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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.