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Finding the Fourth Proportional to 397,335.80, 595,226.10 and 239,094.20

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Solution

The fourth proportional to 397,335.80, 595,226.10 and 239,094.20 is: 358,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,335.80 : 595,226.10 = 239,094.20 : x
  2. Step 2: Convert to fraction form
    397,335.80/595,226.10 = 239,094.20/x
  3. Step 3: Cross multiply
    397,335.80x = 595,226.10 × 239,094.20
  4. Step 4: Simplify right side
    397,335.80x = 142,315,108,198.62
  5. Step 5: Solve for x
    x = 142,315,108,198.62/397,335.80
  6. Step 6: Final answer
    x = 358,173.38

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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.