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Finding the Fourth Proportional to 394,346.90, 591,520.35 and 301,034.90

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Solution

The fourth proportional to 394,346.90, 591,520.35 and 301,034.90 is: 451,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,346.90 : 591,520.35 = 301,034.90 : x
  2. Step 2: Convert to fraction form
    394,346.90/591,520.35 = 301,034.90/x
  3. Step 3: Cross multiply
    394,346.90x = 591,520.35 × 301,034.90
  4. Step 4: Simplify right side
    394,346.90x = 178,068,269,410.22
  5. Step 5: Solve for x
    x = 178,068,269,410.22/394,346.90
  6. Step 6: Final answer
    x = 451,552.35

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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.