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Finding the Fourth Proportional to 481,193.95, 664,039.59 and 266,329.41

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Solution

The fourth proportional to 481,193.95, 664,039.59 and 266,329.41 is: 367,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,193.95 : 664,039.59 = 266,329.41 : x
  2. Step 2: Convert to fraction form
    481,193.95/664,039.59 = 266,329.41/x
  3. Step 3: Cross multiply
    481,193.95x = 664,039.59 × 266,329.41
  4. Step 4: Simplify right side
    481,193.95x = 176,853,272,221.34
  5. Step 5: Solve for x
    x = 176,853,272,221.34/481,193.95
  6. Step 6: Final answer
    x = 367,530.13

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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.