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Finding the Fourth Proportional to 475,691.52, 713,656.20 and 335,723.52

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Solution

The fourth proportional to 475,691.52, 713,656.20 and 335,723.52 is: 503,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,691.52 : 713,656.20 = 335,723.52 : x
  2. Step 2: Convert to fraction form
    475,691.52/713,656.20 = 335,723.52/x
  3. Step 3: Cross multiply
    475,691.52x = 713,656.20 × 335,723.52
  4. Step 4: Simplify right side
    475,691.52x = 239,591,171,533.82
  5. Step 5: Solve for x
    x = 239,591,171,533.82/475,691.52
  6. Step 6: Final answer
    x = 503,669.21

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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.