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Finding the Fourth Proportional to 440,350.83, 660,788.67 and 159,889.95

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Solution

The fourth proportional to 440,350.83, 660,788.67 and 159,889.95 is: 239,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,350.83 : 660,788.67 = 159,889.95 : x
  2. Step 2: Convert to fraction form
    440,350.83/660,788.67 = 159,889.95/x
  3. Step 3: Cross multiply
    440,350.83x = 660,788.67 × 159,889.95
  4. Step 4: Simplify right side
    440,350.83x = 105,653,467,406.87
  5. Step 5: Solve for x
    x = 105,653,467,406.87/440,350.83
  6. Step 6: Final answer
    x = 239,930.21

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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.