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Finding the Fourth Proportional to 265,734.20, 398,601.30 and 195,750.20

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Solution

The fourth proportional to 265,734.20, 398,601.30 and 195,750.20 is: 293,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734.20 : 398,601.30 = 195,750.20 : x
  2. Step 2: Convert to fraction form
    265,734.20/398,601.30 = 195,750.20/x
  3. Step 3: Cross multiply
    265,734.20x = 398,601.30 × 195,750.20
  4. Step 4: Simplify right side
    265,734.20x = 78,026,284,195.26
  5. Step 5: Solve for x
    x = 78,026,284,195.26/265,734.20
  6. Step 6: Final answer
    x = 293,625.30

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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.