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Finding the Fourth Proportional to 576,529.20, 863,238.60 and 576,529.20

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Solution

The fourth proportional to 576,529.20, 863,238.60 and 576,529.20 is: 863,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,529.20 : 863,238.60 = 576,529.20 : x
  2. Step 2: Convert to fraction form
    576,529.20/863,238.60 = 576,529.20/x
  3. Step 3: Cross multiply
    576,529.20x = 863,238.60 × 576,529.20
  4. Step 4: Simplify right side
    576,529.20x = 497,682,259,467.12
  5. Step 5: Solve for x
    x = 497,682,259,467.12/576,529.20
  6. Step 6: Final answer
    x = 863,238.60

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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.