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Finding the Fourth Proportional to 363,725.36, 501,956.64 and 202,580.48

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Solution

The fourth proportional to 363,725.36, 501,956.64 and 202,580.48 is: 279,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,725.36 : 501,956.64 = 202,580.48 : x
  2. Step 2: Convert to fraction form
    363,725.36/501,956.64 = 202,580.48/x
  3. Step 3: Cross multiply
    363,725.36x = 501,956.64 × 202,580.48
  4. Step 4: Simplify right side
    363,725.36x = 101,686,617,070.39
  5. Step 5: Solve for x
    x = 101,686,617,070.39/363,725.36
  6. Step 6: Final answer
    x = 279,569.78

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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.