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Finding the Fourth Proportional to 481,798.05, 664,886.66 and 266,941.50

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Solution

The fourth proportional to 481,798.05, 664,886.66 and 266,941.50 is: 368,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,798.05 : 664,886.66 = 266,941.50 : x
  2. Step 2: Convert to fraction form
    481,798.05/664,886.66 = 266,941.50/x
  3. Step 3: Cross multiply
    481,798.05x = 664,886.66 × 266,941.50
  4. Step 4: Simplify right side
    481,798.05x = 177,485,841,015.68
  5. Step 5: Solve for x
    x = 177,485,841,015.68/481,798.05
  6. Step 6: Final answer
    x = 368,382.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.