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Finding the Fourth Proportional to 444,308.87, 666,503.81 and 144,712.55

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Solution

The fourth proportional to 444,308.87, 666,503.81 and 144,712.55 is: 217,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,308.87 : 666,503.81 = 144,712.55 : x
  2. Step 2: Convert to fraction form
    444,308.87/666,503.81 = 144,712.55/x
  3. Step 3: Cross multiply
    444,308.87x = 666,503.81 × 144,712.55
  4. Step 4: Simplify right side
    444,308.87x = 96,451,465,929.82
  5. Step 5: Solve for x
    x = 96,451,465,929.82/444,308.87
  6. Step 6: Final answer
    x = 217,082.02

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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.