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Finding the Fourth Proportional to 504,171.48, 755,978.14 and 200,257.76

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Solution

The fourth proportional to 504,171.48, 755,978.14 and 200,257.76 is: 300,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,171.48 : 755,978.14 = 200,257.76 : x
  2. Step 2: Convert to fraction form
    504,171.48/755,978.14 = 200,257.76/x
  3. Step 3: Cross multiply
    504,171.48x = 755,978.14 × 200,257.76
  4. Step 4: Simplify right side
    504,171.48x = 151,390,488,925.37
  5. Step 5: Solve for x
    x = 151,390,488,925.37/504,171.48
  6. Step 6: Final answer
    x = 300,275.79

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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.