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Finding the Fourth Proportional to 537,603.12, 741,644.10 and 322,369.92

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Solution

The fourth proportional to 537,603.12, 741,644.10 and 322,369.92 is: 444,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,603.12 : 741,644.10 = 322,369.92 : x
  2. Step 2: Convert to fraction form
    537,603.12/741,644.10 = 322,369.92/x
  3. Step 3: Cross multiply
    537,603.12x = 741,644.10 × 322,369.92
  4. Step 4: Simplify right side
    537,603.12x = 239,083,749,185.47
  5. Step 5: Solve for x
    x = 239,083,749,185.47/537,603.12
  6. Step 6: Final answer
    x = 444,721.65

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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.