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Finding the Fourth Proportional to 616,693.36, 850,971.54 and 344,732.62

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Solution

The fourth proportional to 616,693.36, 850,971.54 and 344,732.62 is: 475,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,693.36 : 850,971.54 = 344,732.62 : x
  2. Step 2: Convert to fraction form
    616,693.36/850,971.54 = 344,732.62/x
  3. Step 3: Cross multiply
    616,693.36x = 850,971.54 × 344,732.62
  4. Step 4: Simplify right side
    616,693.36x = 293,357,648,529.64
  5. Step 5: Solve for x
    x = 293,357,648,529.64/616,693.36
  6. Step 6: Final answer
    x = 475,694.51

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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.