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Finding the Fourth Proportional to 303,209.76, 454,814.88 and 92,820.48

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Solution

The fourth proportional to 303,209.76, 454,814.88 and 92,820.48 is: 139,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,209.76 : 454,814.88 = 92,820.48 : x
  2. Step 2: Convert to fraction form
    303,209.76/454,814.88 = 92,820.48/x
  3. Step 3: Cross multiply
    303,209.76x = 454,814.88 × 92,820.48
  4. Step 4: Simplify right side
    303,209.76x = 42,216,135,472.74
  5. Step 5: Solve for x
    x = 42,216,135,472.74/303,209.76
  6. Step 6: Final answer
    x = 139,230.79

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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.