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Finding the Fourth Proportional to 217,248.30, 325,872.45 and 201,501.90

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Solution

The fourth proportional to 217,248.30, 325,872.45 and 201,501.90 is: 302,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248.30 : 325,872.45 = 201,501.90 : x
  2. Step 2: Convert to fraction form
    217,248.30/325,872.45 = 201,501.90/x
  3. Step 3: Cross multiply
    217,248.30x = 325,872.45 × 201,501.90
  4. Step 4: Simplify right side
    217,248.30x = 65,663,917,832.66
  5. Step 5: Solve for x
    x = 65,663,917,832.66/217,248.30
  6. Step 6: Final answer
    x = 302,252.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.