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Finding the Fourth Proportional to 576,035.08, 864,152.96 and 196,993.76

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Solution

The fourth proportional to 576,035.08, 864,152.96 and 196,993.76 is: 295,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,035.08 : 864,152.96 = 196,993.76 : x
  2. Step 2: Convert to fraction form
    576,035.08/864,152.96 = 196,993.76/x
  3. Step 3: Cross multiply
    576,035.08x = 864,152.96 × 196,993.76
  4. Step 4: Simplify right side
    576,035.08x = 170,232,735,499.80
  5. Step 5: Solve for x
    x = 170,232,735,499.80/576,035.08
  6. Step 6: Final answer
    x = 295,524.95

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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.