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Finding the Fourth Proportional to 531,092.10, 796,638.15 and 251,156.10

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Solution

The fourth proportional to 531,092.10, 796,638.15 and 251,156.10 is: 376,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,092.10 : 796,638.15 = 251,156.10 : x
  2. Step 2: Convert to fraction form
    531,092.10/796,638.15 = 251,156.10/x
  3. Step 3: Cross multiply
    531,092.10x = 796,638.15 × 251,156.10
  4. Step 4: Simplify right side
    531,092.10x = 200,080,530,865.22
  5. Step 5: Solve for x
    x = 200,080,530,865.22/531,092.10
  6. Step 6: Final answer
    x = 376,734.15

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Double scale
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Similar ratio
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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.