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Finding the Fourth Proportional to 616,111.84, 850,203.97 and 344,125.58

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Solution

The fourth proportional to 616,111.84, 850,203.97 and 344,125.58 is: 474,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,111.84 : 850,203.97 = 344,125.58 : x
  2. Step 2: Convert to fraction form
    616,111.84/850,203.97 = 344,125.58/x
  3. Step 3: Cross multiply
    616,111.84x = 850,203.97 × 344,125.58
  4. Step 4: Simplify right side
    616,111.84x = 292,576,934,933.47
  5. Step 5: Solve for x
    x = 292,576,934,933.47/616,111.84
  6. Step 6: Final answer
    x = 474,876.34

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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.