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Finding the Fourth Proportional to 363,575.80, 544,829.10 and 263,945.80

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Solution

The fourth proportional to 363,575.80, 544,829.10 and 263,945.80 is: 395,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,575.80 : 544,829.10 = 263,945.80 : x
  2. Step 2: Convert to fraction form
    363,575.80/544,829.10 = 263,945.80/x
  3. Step 3: Cross multiply
    363,575.80x = 544,829.10 × 263,945.80
  4. Step 4: Simplify right side
    363,575.80x = 143,805,352,662.78
  5. Step 5: Solve for x
    x = 143,805,352,662.78/363,575.80
  6. Step 6: Final answer
    x = 395,530.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.