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Finding the Fourth Proportional to 619,730.43, 929,488.41 and 164,324.67

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Solution

The fourth proportional to 619,730.43, 929,488.41 and 164,324.67 is: 246,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,730.43 : 929,488.41 = 164,324.67 : x
  2. Step 2: Convert to fraction form
    619,730.43/929,488.41 = 164,324.67/x
  3. Step 3: Cross multiply
    619,730.43x = 929,488.41 × 164,324.67
  4. Step 4: Simplify right side
    619,730.43x = 152,737,876,242.08
  5. Step 5: Solve for x
    x = 152,737,876,242.08/619,730.43
  6. Step 6: Final answer
    x = 246,458.57

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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.