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Finding the Fourth Proportional to 531,997.67, 797,590.29 and 265,949.12

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Solution

The fourth proportional to 531,997.67, 797,590.29 and 265,949.12 is: 398,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,997.67 : 797,590.29 = 265,949.12 : x
  2. Step 2: Convert to fraction form
    531,997.67/797,590.29 = 265,949.12/x
  3. Step 3: Cross multiply
    531,997.67x = 797,590.29 × 265,949.12
  4. Step 4: Simplify right side
    531,997.67x = 212,118,435,746.05
  5. Step 5: Solve for x
    x = 212,118,435,746.05/531,997.67
  6. Step 6: Final answer
    x = 398,720.61

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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.