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Finding the Fourth Proportional to 576,908.36, 865,363.16 and 150,443.81

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Solution

The fourth proportional to 576,908.36, 865,363.16 and 150,443.81 is: 225,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,908.36 : 865,363.16 = 150,443.81 : x
  2. Step 2: Convert to fraction form
    576,908.36/865,363.16 = 150,443.81/x
  3. Step 3: Cross multiply
    576,908.36x = 865,363.16 × 150,443.81
  4. Step 4: Simplify right side
    576,908.36x = 130,188,525,745.01
  5. Step 5: Solve for x
    x = 130,188,525,745.01/576,908.36
  6. Step 6: Final answer
    x = 225,665.87

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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.