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Finding the Fourth Proportional to 616,127.33, 850,225.19 and 344,141.07

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Solution

The fourth proportional to 616,127.33, 850,225.19 and 344,141.07 is: 474,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,127.33 : 850,225.19 = 344,141.07 : x
  2. Step 2: Convert to fraction form
    616,127.33/850,225.19 = 344,141.07/x
  3. Step 3: Cross multiply
    616,127.33x = 850,225.19 × 344,141.07
  4. Step 4: Simplify right side
    616,127.33x = 292,597,404,906.85
  5. Step 5: Solve for x
    x = 292,597,404,906.85/616,127.33
  6. Step 6: Final answer
    x = 474,897.63

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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.