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Finding the Fourth Proportional to 616,121.14, 850,237.78 and 344,192.94

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Solution

The fourth proportional to 616,121.14, 850,237.78 and 344,192.94 is: 474,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,121.14 : 850,237.78 = 344,192.94 : x
  2. Step 2: Convert to fraction form
    616,121.14/850,237.78 = 344,192.94/x
  3. Step 3: Cross multiply
    616,121.14x = 850,237.78 × 344,192.94
  4. Step 4: Simplify right side
    616,121.14x = 292,645,841,197.27
  5. Step 5: Solve for x
    x = 292,645,841,197.27/616,121.14
  6. Step 6: Final answer
    x = 474,981.01

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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.