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Finding the Fourth Proportional to 366,955.35, 550,433.03 and 266,904.15

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Solution

The fourth proportional to 366,955.35, 550,433.03 and 266,904.15 is: 400,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.35 : 550,433.03 = 266,904.15 : x
  2. Step 2: Convert to fraction form
    366,955.35/550,433.03 = 266,904.15/x
  3. Step 3: Cross multiply
    366,955.35x = 550,433.03 × 266,904.15
  4. Step 4: Simplify right side
    366,955.35x = 146,912,858,669.55
  5. Step 5: Solve for x
    x = 146,912,858,669.55/366,955.35
  6. Step 6: Final answer
    x = 400,356.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.