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Finding the Fourth Proportional to 514,338.30, 771,944.85 and 230,465.70

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Solution

The fourth proportional to 514,338.30, 771,944.85 and 230,465.70 is: 345,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,338.30 : 771,944.85 = 230,465.70 : x
  2. Step 2: Convert to fraction form
    514,338.30/771,944.85 = 230,465.70/x
  3. Step 3: Cross multiply
    514,338.30x = 771,944.85 × 230,465.70
  4. Step 4: Simplify right side
    514,338.30x = 177,906,810,216.65
  5. Step 5: Solve for x
    x = 177,906,810,216.65/514,338.30
  6. Step 6: Final answer
    x = 345,894.54

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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.