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Finding the Fourth Proportional to 363,357.75, 500,914.02 and 255,593.31

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Solution

The fourth proportional to 363,357.75, 500,914.02 and 255,593.31 is: 352,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,357.75 : 500,914.02 = 255,593.31 : x
  2. Step 2: Convert to fraction form
    363,357.75/500,914.02 = 255,593.31/x
  3. Step 3: Cross multiply
    363,357.75x = 500,914.02 × 255,593.31
  4. Step 4: Simplify right side
    363,357.75x = 128,030,272,397.21
  5. Step 5: Solve for x
    x = 128,030,272,397.21/363,357.75
  6. Step 6: Final answer
    x = 352,353.22

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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.