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Finding the Fourth Proportional to 484,736.83, 726,022.47 and 351,310.79

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Solution

The fourth proportional to 484,736.83, 726,022.47 and 351,310.79 is: 526,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,736.83 : 726,022.47 = 351,310.79 : x
  2. Step 2: Convert to fraction form
    484,736.83/726,022.47 = 351,310.79/x
  3. Step 3: Cross multiply
    484,736.83x = 726,022.47 × 351,310.79
  4. Step 4: Simplify right side
    484,736.83x = 255,059,529,308.51
  5. Step 5: Solve for x
    x = 255,059,529,308.51/484,736.83
  6. Step 6: Final answer
    x = 526,181.46

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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.