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Finding the Fourth Proportional to 481,401.99, 664,340.00 and 266,545.98

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Solution

The fourth proportional to 481,401.99, 664,340.00 and 266,545.98 is: 367,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,401.99 : 664,340.00 = 266,545.98 : x
  2. Step 2: Convert to fraction form
    481,401.99/664,340.00 = 266,545.98/x
  3. Step 3: Cross multiply
    481,401.99x = 664,340.00 × 266,545.98
  4. Step 4: Simplify right side
    481,401.99x = 177,077,155,020.47
  5. Step 5: Solve for x
    x = 177,077,155,020.47/481,401.99
  6. Step 6: Final answer
    x = 367,836.36

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1.5x scale

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.