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Finding the Fourth Proportional to 616,162.28, 850,219.81 and 344,196.54

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Solution

The fourth proportional to 616,162.28, 850,219.81 and 344,196.54 is: 474,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,162.28 : 850,219.81 = 344,196.54 : x
  2. Step 2: Convert to fraction form
    616,162.28/850,219.81 = 344,196.54/x
  3. Step 3: Cross multiply
    616,162.28x = 850,219.81 × 344,196.54
  4. Step 4: Simplify right side
    616,162.28x = 292,642,715,980.97
  5. Step 5: Solve for x
    x = 292,642,715,980.97/616,162.28
  6. Step 6: Final answer
    x = 474,944.23

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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.