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Finding the Fourth Proportional to 551,415.46, 826,418.63 and 444,849.67

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Solution

The fourth proportional to 551,415.46, 826,418.63 and 444,849.67 is: 666,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,415.46 : 826,418.63 = 444,849.67 : x
  2. Step 2: Convert to fraction form
    551,415.46/826,418.63 = 444,849.67/x
  3. Step 3: Cross multiply
    551,415.46x = 826,418.63 × 444,849.67
  4. Step 4: Simplify right side
    551,415.46x = 367,632,054,836.85
  5. Step 5: Solve for x
    x = 367,632,054,836.85/551,415.46
  6. Step 6: Final answer
    x = 666,706.11

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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.