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Finding the Fourth Proportional to 265,431.30, 398,144.52 and 107,622.24

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Solution

The fourth proportional to 265,431.30, 398,144.52 and 107,622.24 is: 161,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,431.30 : 398,144.52 = 107,622.24 : x
  2. Step 2: Convert to fraction form
    265,431.30/398,144.52 = 107,622.24/x
  3. Step 3: Cross multiply
    265,431.30x = 398,144.52 × 107,622.24
  4. Step 4: Simplify right side
    265,431.30x = 42,849,205,086.12
  5. Step 5: Solve for x
    x = 42,849,205,086.12/265,431.30
  6. Step 6: Final answer
    x = 161,432.37

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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.