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Finding the Fourth Proportional to 484,079.49, 668,078.69 and 277,375.25

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Solution

The fourth proportional to 484,079.49, 668,078.69 and 277,375.25 is: 382,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,079.49 : 668,078.69 = 277,375.25 : x
  2. Step 2: Convert to fraction form
    484,079.49/668,078.69 = 277,375.25/x
  3. Step 3: Cross multiply
    484,079.49x = 668,078.69 × 277,375.25
  4. Step 4: Simplify right side
    484,079.49x = 185,308,493,941.74
  5. Step 5: Solve for x
    x = 185,308,493,941.74/484,079.49
  6. Step 6: Final answer
    x = 382,805.92

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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.