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Finding the Fourth Proportional to 394,336.40, 591,504.60 and 301,024.40

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Solution

The fourth proportional to 394,336.40, 591,504.60 and 301,024.40 is: 451,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,336.40 : 591,504.60 = 301,024.40 : x
  2. Step 2: Convert to fraction form
    394,336.40/591,504.60 = 301,024.40/x
  3. Step 3: Cross multiply
    394,336.40x = 591,504.60 × 301,024.40
  4. Step 4: Simplify right side
    394,336.40x = 178,057,317,312.24
  5. Step 5: Solve for x
    x = 178,057,317,312.24/394,336.40
  6. Step 6: Final answer
    x = 451,536.60

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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.