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Finding the Fourth Proportional to 616,294.98, 850,491.34 and 344,374.33

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Solution

The fourth proportional to 616,294.98, 850,491.34 and 344,374.33 is: 475,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,294.98 : 850,491.34 = 344,374.33 : x
  2. Step 2: Convert to fraction form
    616,294.98/850,491.34 = 344,374.33/x
  3. Step 3: Cross multiply
    616,294.98x = 850,491.34 × 344,374.33
  4. Step 4: Simplify right side
    616,294.98x = 292,887,385,383.30
  5. Step 5: Solve for x
    x = 292,887,385,383.30/616,294.98
  6. Step 6: Final answer
    x = 475,238.96

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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.