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Finding the Fourth Proportional to 442,205.18, 610,245.17 and 251,229.05

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Solution

The fourth proportional to 442,205.18, 610,245.17 and 251,229.05 is: 346,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,205.18 : 610,245.17 = 251,229.05 : x
  2. Step 2: Convert to fraction form
    442,205.18/610,245.17 = 251,229.05/x
  3. Step 3: Cross multiply
    442,205.18x = 610,245.17 × 251,229.05
  4. Step 4: Simplify right side
    442,205.18x = 153,311,310,018.82
  5. Step 5: Solve for x
    x = 153,311,310,018.82/442,205.18
  6. Step 6: Final answer
    x = 346,697.23

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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.