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Finding the Fourth Proportional to 459,997.26, 634,796.16 and 256,043.82

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Solution

The fourth proportional to 459,997.26, 634,796.16 and 256,043.82 is: 353,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,997.26 : 634,796.16 = 256,043.82 : x
  2. Step 2: Convert to fraction form
    459,997.26/634,796.16 = 256,043.82/x
  3. Step 3: Cross multiply
    459,997.26x = 634,796.16 × 256,043.82
  4. Step 4: Simplify right side
    459,997.26x = 162,535,633,727.73
  5. Step 5: Solve for x
    x = 162,535,633,727.73/459,997.26
  6. Step 6: Final answer
    x = 353,340.44

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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.