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Finding the Fourth Proportional to 496,174.56, 684,786.28 and 482,664.32

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Solution

The fourth proportional to 496,174.56, 684,786.28 and 482,664.32 is: 666,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,174.56 : 684,786.28 = 482,664.32 : x
  2. Step 2: Convert to fraction form
    496,174.56/684,786.28 = 482,664.32/x
  3. Step 3: Cross multiply
    496,174.56x = 684,786.28 × 482,664.32
  4. Step 4: Simplify right side
    496,174.56x = 330,521,904,181.53
  5. Step 5: Solve for x
    x = 330,521,904,181.53/496,174.56
  6. Step 6: Final answer
    x = 666,140.37

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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.