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Finding the Fourth Proportional to 444,355.78, 666,602.78 and 144,766.60

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Solution

The fourth proportional to 444,355.78, 666,602.78 and 144,766.60 is: 217,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,355.78 : 666,602.78 = 144,766.60 : x
  2. Step 2: Convert to fraction form
    444,355.78/666,602.78 = 144,766.60/x
  3. Step 3: Cross multiply
    444,355.78x = 666,602.78 × 144,766.60
  4. Step 4: Simplify right side
    444,355.78x = 96,501,818,011.15
  5. Step 5: Solve for x
    x = 96,501,818,011.15/444,355.78
  6. Step 6: Final answer
    x = 217,172.42

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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.