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Finding the Fourth Proportional to 352,891.40, 529,337.10 and 203,592.20

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Solution

The fourth proportional to 352,891.40, 529,337.10 and 203,592.20 is: 305,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,891.40 : 529,337.10 = 203,592.20 : x
  2. Step 2: Convert to fraction form
    352,891.40/529,337.10 = 203,592.20/x
  3. Step 3: Cross multiply
    352,891.40x = 529,337.10 × 203,592.20
  4. Step 4: Simplify right side
    352,891.40x = 107,768,904,730.62
  5. Step 5: Solve for x
    x = 107,768,904,730.62/352,891.40
  6. Step 6: Final answer
    x = 305,388.30

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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.