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Finding the Fourth Proportional to 619,093.29, 928,484.01 and 239,883.69

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Solution

The fourth proportional to 619,093.29, 928,484.01 and 239,883.69 is: 359,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,093.29 : 928,484.01 = 239,883.69 : x
  2. Step 2: Convert to fraction form
    619,093.29/928,484.01 = 239,883.69/x
  3. Step 3: Cross multiply
    619,093.29x = 928,484.01 × 239,883.69
  4. Step 4: Simplify right side
    619,093.29x = 222,728,170,424.80
  5. Step 5: Solve for x
    x = 222,728,170,424.80/619,093.29
  6. Step 6: Final answer
    x = 359,765.12

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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.