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Finding the Fourth Proportional to 363,914.52, 502,410.42 and 243,260.16

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Solution

The fourth proportional to 363,914.52, 502,410.42 and 243,260.16 is: 335,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,914.52 : 502,410.42 = 243,260.16 : x
  2. Step 2: Convert to fraction form
    363,914.52/502,410.42 = 243,260.16/x
  3. Step 3: Cross multiply
    363,914.52x = 502,410.42 × 243,260.16
  4. Step 4: Simplify right side
    363,914.52x = 122,216,439,154.87
  5. Step 5: Solve for x
    x = 122,216,439,154.87/363,914.52
  6. Step 6: Final answer
    x = 335,838.31

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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.