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Finding the Fourth Proportional to 576,202.47, 864,100.81 and 191,846.95

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Solution

The fourth proportional to 576,202.47, 864,100.81 and 191,846.95 is: 287,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,202.47 : 864,100.81 = 191,846.95 : x
  2. Step 2: Convert to fraction form
    576,202.47/864,100.81 = 191,846.95/x
  3. Step 3: Cross multiply
    576,202.47x = 864,100.81 × 191,846.95
  4. Step 4: Simplify right side
    576,202.47x = 165,775,101,958.90
  5. Step 5: Solve for x
    x = 165,775,101,958.90/576,202.47
  6. Step 6: Final answer
    x = 287,702.87

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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.