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Finding the Fourth Proportional to 533,256.25, 800,179.61 and 319,498.87

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Solution

The fourth proportional to 533,256.25, 800,179.61 and 319,498.87 is: 479,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,256.25 : 800,179.61 = 319,498.87 : x
  2. Step 2: Convert to fraction form
    533,256.25/800,179.61 = 319,498.87/x
  3. Step 3: Cross multiply
    533,256.25x = 800,179.61 × 319,498.87
  4. Step 4: Simplify right side
    533,256.25x = 255,656,481,192.04
  5. Step 5: Solve for x
    x = 255,656,481,192.04/533,256.25
  6. Step 6: Final answer
    x = 479,425.19

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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.