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Finding the Fourth Proportional to 444,013.53, 665,603.96 and 216,259.35

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Solution

The fourth proportional to 444,013.53, 665,603.96 and 216,259.35 is: 324,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,013.53 : 665,603.96 = 216,259.35 : x
  2. Step 2: Convert to fraction form
    444,013.53/665,603.96 = 216,259.35/x
  3. Step 3: Cross multiply
    444,013.53x = 665,603.96 × 216,259.35
  4. Step 4: Simplify right side
    444,013.53x = 143,943,078,665.73
  5. Step 5: Solve for x
    x = 143,943,078,665.73/444,013.53
  6. Step 6: Final answer
    x = 324,186.24

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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.