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Finding the Fourth Proportional to 605,985.84, 909,016.02 and 251,027.64

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Solution

The fourth proportional to 605,985.84, 909,016.02 and 251,027.64 is: 376,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,985.84 : 909,016.02 = 251,027.64 : x
  2. Step 2: Convert to fraction form
    605,985.84/909,016.02 = 251,027.64/x
  3. Step 3: Cross multiply
    605,985.84x = 909,016.02 × 251,027.64
  4. Step 4: Simplify right side
    605,985.84x = 228,188,146,222.79
  5. Step 5: Solve for x
    x = 228,188,146,222.79/605,985.84
  6. Step 6: Final answer
    x = 376,556.89

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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.