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Finding the Fourth Proportional to 342,230.79, 471,784.46 and 234,630.39

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Solution

The fourth proportional to 342,230.79, 471,784.46 and 234,630.39 is: 323,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,230.79 : 471,784.46 = 234,630.39 : x
  2. Step 2: Convert to fraction form
    342,230.79/471,784.46 = 234,630.39/x
  3. Step 3: Cross multiply
    342,230.79x = 471,784.46 × 234,630.39
  4. Step 4: Simplify right side
    342,230.79x = 110,694,970,672.59
  5. Step 5: Solve for x
    x = 110,694,970,672.59/342,230.79
  6. Step 6: Final answer
    x = 323,451.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.