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Finding the Fourth Proportional to 303,370.02, 454,700.66 and 228,248.78

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Solution

The fourth proportional to 303,370.02, 454,700.66 and 228,248.78 is: 342,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,370.02 : 454,700.66 = 228,248.78 : x
  2. Step 2: Convert to fraction form
    303,370.02/454,700.66 = 228,248.78/x
  3. Step 3: Cross multiply
    303,370.02x = 454,700.66 × 228,248.78
  4. Step 4: Simplify right side
    303,370.02x = 103,784,870,910.20
  5. Step 5: Solve for x
    x = 103,784,870,910.20/303,370.02
  6. Step 6: Final answer
    x = 342,106.55

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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.