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Finding the Fourth Proportional to 219,726.68, 328,687.67 and 175,439.93

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Solution

The fourth proportional to 219,726.68, 328,687.67 and 175,439.93 is: 262,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,726.68 : 328,687.67 = 175,439.93 : x
  2. Step 2: Convert to fraction form
    219,726.68/328,687.67 = 175,439.93/x
  3. Step 3: Cross multiply
    219,726.68x = 328,687.67 × 175,439.93
  4. Step 4: Simplify right side
    219,726.68x = 57,664,940,611.82
  5. Step 5: Solve for x
    x = 57,664,940,611.82/219,726.68
  6. Step 6: Final answer
    x = 262,439.42

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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.