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Finding the Fourth Proportional to 503,832.96, 694,712.64 and 376,293.12

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Solution

The fourth proportional to 503,832.96, 694,712.64 and 376,293.12 is: 518,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,832.96 : 694,712.64 = 376,293.12 : x
  2. Step 2: Convert to fraction form
    503,832.96/694,712.64 = 376,293.12/x
  3. Step 3: Cross multiply
    503,832.96x = 694,712.64 × 376,293.12
  4. Step 4: Simplify right side
    503,832.96x = 261,415,586,809.04
  5. Step 5: Solve for x
    x = 261,415,586,809.04/503,832.96
  6. Step 6: Final answer
    x = 518,853.68

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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.