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Finding the Fourth Proportional to 484,190.79, 668,156.76 and 266,395.34

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Solution

The fourth proportional to 484,190.79, 668,156.76 and 266,395.34 is: 367,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,190.79 : 668,156.76 = 266,395.34 : x
  2. Step 2: Convert to fraction form
    484,190.79/668,156.76 = 266,395.34/x
  3. Step 3: Cross multiply
    484,190.79x = 668,156.76 × 266,395.34
  4. Step 4: Simplify right side
    484,190.79x = 177,993,843,912.72
  5. Step 5: Solve for x
    x = 177,993,843,912.72/484,190.79
  6. Step 6: Final answer
    x = 367,610.97

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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.