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Finding the Fourth Proportional to 472,896.66, 652,611.81 and 268,976.96

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Solution

The fourth proportional to 472,896.66, 652,611.81 and 268,976.96 is: 371,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,896.66 : 652,611.81 = 268,976.96 : x
  2. Step 2: Convert to fraction form
    472,896.66/652,611.81 = 268,976.96/x
  3. Step 3: Cross multiply
    472,896.66x = 652,611.81 × 268,976.96
  4. Step 4: Simplify right side
    472,896.66x = 175,537,541,985.77
  5. Step 5: Solve for x
    x = 175,537,541,985.77/472,896.66
  6. Step 6: Final answer
    x = 371,196.41

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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.