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Finding the Fourth Proportional to 441,177.09, 661,765.59 and 308,316.84

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Solution

The fourth proportional to 441,177.09, 661,765.59 and 308,316.84 is: 462,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,177.09 : 661,765.59 = 308,316.84 : x
  2. Step 2: Convert to fraction form
    441,177.09/661,765.59 = 308,316.84/x
  3. Step 3: Cross multiply
    441,177.09x = 661,765.59 × 308,316.84
  4. Step 4: Simplify right side
    441,177.09x = 204,033,475,529.54
  5. Step 5: Solve for x
    x = 204,033,475,529.54/441,177.09
  6. Step 6: Final answer
    x = 462,475.23

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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.