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Finding the Fourth Proportional to 442,205.43, 610,245.51 and 251,229.30

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Solution

The fourth proportional to 442,205.43, 610,245.51 and 251,229.30 is: 346,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,205.43 : 610,245.51 = 251,229.30 : x
  2. Step 2: Convert to fraction form
    442,205.43/610,245.51 = 251,229.30/x
  3. Step 3: Cross multiply
    442,205.43x = 610,245.51 × 251,229.30
  4. Step 4: Simplify right side
    442,205.43x = 153,311,552,305.44
  5. Step 5: Solve for x
    x = 153,311,552,305.44/442,205.43
  6. Step 6: Final answer
    x = 346,697.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.