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Finding the Fourth Proportional to 646,411.83, 969,580.84 and 247,092.97

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Solution

The fourth proportional to 646,411.83, 969,580.84 and 247,092.97 is: 370,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,411.83 : 969,580.84 = 247,092.97 : x
  2. Step 2: Convert to fraction form
    646,411.83/969,580.84 = 247,092.97/x
  3. Step 3: Cross multiply
    646,411.83x = 969,580.84 × 247,092.97
  4. Step 4: Simplify right side
    646,411.83x = 239,576,609,410.70
  5. Step 5: Solve for x
    x = 239,576,609,410.70/646,411.83
  6. Step 6: Final answer
    x = 370,625.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.