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Finding the Fourth Proportional to 616,026.78, 850,107.75 and 344,099.58

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Solution

The fourth proportional to 616,026.78, 850,107.75 and 344,099.58 is: 474,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,026.78 : 850,107.75 = 344,099.58 : x
  2. Step 2: Convert to fraction form
    616,026.78/850,107.75 = 344,099.58/x
  3. Step 3: Cross multiply
    616,026.78x = 850,107.75 × 344,099.58
  4. Step 4: Simplify right side
    616,026.78x = 292,521,719,729.75
  5. Step 5: Solve for x
    x = 292,521,719,729.75/616,026.78
  6. Step 6: Final answer
    x = 474,852.28

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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.