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Finding the Fourth Proportional to 616,444.36, 850,690.31 and 344,511.97

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Solution

The fourth proportional to 616,444.36, 850,690.31 and 344,511.97 is: 475,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,444.36 : 850,690.31 = 344,511.97 : x
  2. Step 2: Convert to fraction form
    616,444.36/850,690.31 = 344,511.97/x
  3. Step 3: Cross multiply
    616,444.36x = 850,690.31 × 344,511.97
  4. Step 4: Simplify right side
    616,444.36x = 293,072,990,708.73
  5. Step 5: Solve for x
    x = 293,072,990,708.73/616,444.36
  6. Step 6: Final answer
    x = 475,424.89

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1.5x scale

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.