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Finding the Fourth Proportional to 484,702.41, 668,867.70 and 277,822.47

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Solution

The fourth proportional to 484,702.41, 668,867.70 and 277,822.47 is: 383,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,702.41 : 668,867.70 = 277,822.47 : x
  2. Step 2: Convert to fraction form
    484,702.41/668,867.70 = 277,822.47/x
  3. Step 3: Cross multiply
    484,702.41x = 668,867.70 × 277,822.47
  4. Step 4: Simplify right side
    484,702.41x = 185,826,476,517.22
  5. Step 5: Solve for x
    x = 185,826,476,517.22/484,702.41
  6. Step 6: Final answer
    x = 383,382.61

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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.