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Finding the Fourth Proportional to 570,787.08, 787,691.91 and 344,388.84

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Solution

The fourth proportional to 570,787.08, 787,691.91 and 344,388.84 is: 475,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,787.08 : 787,691.91 = 344,388.84 : x
  2. Step 2: Convert to fraction form
    570,787.08/787,691.91 = 344,388.84/x
  3. Step 3: Cross multiply
    570,787.08x = 787,691.91 × 344,388.84
  4. Step 4: Simplify right side
    570,787.08x = 271,272,303,162.28
  5. Step 5: Solve for x
    x = 271,272,303,162.28/570,787.08
  6. Step 6: Final answer
    x = 475,260.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.