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Finding the Fourth Proportional to 329,235.98, 493,854.18 and 92,578.67

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Solution

The fourth proportional to 329,235.98, 493,854.18 and 92,578.67 is: 138,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,235.98 : 493,854.18 = 92,578.67 : x
  2. Step 2: Convert to fraction form
    329,235.98/493,854.18 = 92,578.67/x
  3. Step 3: Cross multiply
    329,235.98x = 493,854.18 × 92,578.67
  4. Step 4: Simplify right side
    329,235.98x = 45,720,361,923.71
  5. Step 5: Solve for x
    x = 45,720,361,923.71/329,235.98
  6. Step 6: Final answer
    x = 138,868.06

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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.