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Finding the Fourth Proportional to 263,695.61, 363,660.72 and 173,017.11

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Solution

The fourth proportional to 263,695.61, 363,660.72 and 173,017.11 is: 238,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,695.61 : 363,660.72 = 173,017.11 : x
  2. Step 2: Convert to fraction form
    263,695.61/363,660.72 = 173,017.11/x
  3. Step 3: Cross multiply
    263,695.61x = 363,660.72 × 173,017.11
  4. Step 4: Simplify right side
    263,695.61x = 62,919,526,794.92
  5. Step 5: Solve for x
    x = 62,919,526,794.92/263,695.61
  6. Step 6: Final answer
    x = 238,606.66

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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.