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Finding the Fourth Proportional to 397,436.93, 597,359.82 and 262,959.67

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Solution

The fourth proportional to 397,436.93, 597,359.82 and 262,959.67 is: 395,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,436.93 : 597,359.82 = 262,959.67 : x
  2. Step 2: Convert to fraction form
    397,436.93/597,359.82 = 262,959.67/x
  3. Step 3: Cross multiply
    397,436.93x = 597,359.82 × 262,959.67
  4. Step 4: Simplify right side
    397,436.93x = 157,081,541,138.46
  5. Step 5: Solve for x
    x = 157,081,541,138.46/397,436.93
  6. Step 6: Final answer
    x = 395,236.40

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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.