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Finding the Fourth Proportional to 265,424.70, 397,165.05 and 195,440.70

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Solution

The fourth proportional to 265,424.70, 397,165.05 and 195,440.70 is: 292,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,424.70 : 397,165.05 = 195,440.70 : x
  2. Step 2: Convert to fraction form
    265,424.70/397,165.05 = 195,440.70/x
  3. Step 3: Cross multiply
    265,424.70x = 397,165.05 × 195,440.70
  4. Step 4: Simplify right side
    265,424.70x = 77,622,215,387.54
  5. Step 5: Solve for x
    x = 77,622,215,387.54/265,424.70
  6. Step 6: Final answer
    x = 292,445.34

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1.5x scale

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.