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Finding the Fourth Proportional to 397,334.80, 595,224.60 and 239,093.20

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Solution

The fourth proportional to 397,334.80, 595,224.60 and 239,093.20 is: 358,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,334.80 : 595,224.60 = 239,093.20 : x
  2. Step 2: Convert to fraction form
    397,334.80/595,224.60 = 239,093.20/x
  3. Step 3: Cross multiply
    397,334.80x = 595,224.60 × 239,093.20
  4. Step 4: Simplify right side
    397,334.80x = 142,314,154,332.72
  5. Step 5: Solve for x
    x = 142,314,154,332.72/397,334.80
  6. Step 6: Final answer
    x = 358,171.89

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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.