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Finding the Fourth Proportional to 394,058.40, 591,087.60 and 236,464.80

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Solution

The fourth proportional to 394,058.40, 591,087.60 and 236,464.80 is: 354,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,058.40 : 591,087.60 = 236,464.80 : x
  2. Step 2: Convert to fraction form
    394,058.40/591,087.60 = 236,464.80/x
  3. Step 3: Cross multiply
    394,058.40x = 591,087.60 × 236,464.80
  4. Step 4: Simplify right side
    394,058.40x = 139,771,411,116.48
  5. Step 5: Solve for x
    x = 139,771,411,116.48/394,058.40
  6. Step 6: Final answer
    x = 354,697.20

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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.