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Finding the Fourth Proportional to 444,313.82, 666,498.42 and 178,039.74

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Solution

The fourth proportional to 444,313.82, 666,498.42 and 178,039.74 is: 267,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,313.82 : 666,498.42 = 178,039.74 : x
  2. Step 2: Convert to fraction form
    444,313.82/666,498.42 = 178,039.74/x
  3. Step 3: Cross multiply
    444,313.82x = 666,498.42 × 178,039.74
  4. Step 4: Simplify right side
    444,313.82x = 118,663,205,407.21
  5. Step 5: Solve for x
    x = 118,663,205,407.21/444,313.82
  6. Step 6: Final answer
    x = 267,070.71

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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.