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Finding the Fourth Proportional to 303,336.30, 455,004.45 and 125,824.80

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Solution

The fourth proportional to 303,336.30, 455,004.45 and 125,824.80 is: 188,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,336.30 : 455,004.45 = 125,824.80 : x
  2. Step 2: Convert to fraction form
    303,336.30/455,004.45 = 125,824.80/x
  3. Step 3: Cross multiply
    303,336.30x = 455,004.45 × 125,824.80
  4. Step 4: Simplify right side
    303,336.30x = 57,250,843,920.36
  5. Step 5: Solve for x
    x = 57,250,843,920.36/303,336.30
  6. Step 6: Final answer
    x = 188,737.20

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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.