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Finding the Fourth Proportional to 404,936.96, 558,788.32 and 243,844.16

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Solution

The fourth proportional to 404,936.96, 558,788.32 and 243,844.16 is: 336,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,936.96 : 558,788.32 = 243,844.16 : x
  2. Step 2: Convert to fraction form
    404,936.96/558,788.32 = 243,844.16/x
  3. Step 3: Cross multiply
    404,936.96x = 558,788.32 × 243,844.16
  4. Step 4: Simplify right side
    404,936.96x = 136,257,268,508.21
  5. Step 5: Solve for x
    x = 136,257,268,508.21/404,936.96
  6. Step 6: Final answer
    x = 336,490.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.