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Finding the Fourth Proportional to 235,364.64, 354,327.60 and 214,439.10

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Solution

The fourth proportional to 235,364.64, 354,327.60 and 214,439.10 is: 322,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,364.64 : 354,327.60 = 214,439.10 : x
  2. Step 2: Convert to fraction form
    235,364.64/354,327.60 = 214,439.10/x
  3. Step 3: Cross multiply
    235,364.64x = 354,327.60 × 214,439.10
  4. Step 4: Simplify right side
    235,364.64x = 75,981,691,649.16
  5. Step 5: Solve for x
    x = 75,981,691,649.16/235,364.64
  6. Step 6: Final answer
    x = 322,825.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.