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Finding the Fourth Proportional to 617,951.52, 927,277.94 and 333,638.28

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Solution

The fourth proportional to 617,951.52, 927,277.94 and 333,638.28 is: 500,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,951.52 : 927,277.94 = 333,638.28 : x
  2. Step 2: Convert to fraction form
    617,951.52/927,277.94 = 333,638.28/x
  3. Step 3: Cross multiply
    617,951.52x = 927,277.94 × 333,638.28
  4. Step 4: Simplify right side
    617,951.52x = 309,375,416,983.54
  5. Step 5: Solve for x
    x = 309,375,416,983.54/617,951.52
  6. Step 6: Final answer
    x = 500,646.74

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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.