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Finding the Fourth Proportional to 483,721.36, 667,506.69 and 268,854.04

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Solution

The fourth proportional to 483,721.36, 667,506.69 and 268,854.04 is: 371,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,721.36 : 667,506.69 = 268,854.04 : x
  2. Step 2: Convert to fraction form
    483,721.36/667,506.69 = 268,854.04/x
  3. Step 3: Cross multiply
    483,721.36x = 667,506.69 × 268,854.04
  4. Step 4: Simplify right side
    483,721.36x = 179,461,870,333.53
  5. Step 5: Solve for x
    x = 179,461,870,333.53/483,721.36
  6. Step 6: Final answer
    x = 371,002.58

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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.