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Finding the Fourth Proportional to 617,447.58, 852,054.39 and 349,181.34

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Solution

The fourth proportional to 617,447.58, 852,054.39 and 349,181.34 is: 481,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,447.58 : 852,054.39 = 349,181.34 : x
  2. Step 2: Convert to fraction form
    617,447.58/852,054.39 = 349,181.34/x
  3. Step 3: Cross multiply
    617,447.58x = 852,054.39 × 349,181.34
  4. Step 4: Simplify right side
    617,447.58x = 297,521,493,653.08
  5. Step 5: Solve for x
    x = 297,521,493,653.08/617,447.58
  6. Step 6: Final answer
    x = 481,857.09

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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.