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Finding the Fourth Proportional to 366,960.55, 550,440.83 and 260,672.35

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Solution

The fourth proportional to 366,960.55, 550,440.83 and 260,672.35 is: 391,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.55 : 550,440.83 = 260,672.35 : x
  2. Step 2: Convert to fraction form
    366,960.55/550,440.83 = 260,672.35/x
  3. Step 3: Cross multiply
    366,960.55x = 550,440.83 × 260,672.35
  4. Step 4: Simplify right side
    366,960.55x = 143,484,704,692.05
  5. Step 5: Solve for x
    x = 143,484,704,692.05/366,960.55
  6. Step 6: Final answer
    x = 391,008.53

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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.