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Finding the Fourth Proportional to 481,222.88, 664,070.64 and 266,363.36

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Solution

The fourth proportional to 481,222.88, 664,070.64 and 266,363.36 is: 367,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,222.88 : 664,070.64 = 266,363.36 : x
  2. Step 2: Convert to fraction form
    481,222.88/664,070.64 = 266,363.36/x
  3. Step 3: Cross multiply
    481,222.88x = 664,070.64 × 266,363.36
  4. Step 4: Simplify right side
    481,222.88x = 176,884,086,947.75
  5. Step 5: Solve for x
    x = 176,884,086,947.75/481,222.88
  6. Step 6: Final answer
    x = 367,572.06

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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.