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Finding the Fourth Proportional to 627,680, 941,520 and 184,448

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Solution

The fourth proportional to 627,680, 941,520 and 184,448 is: 276,672

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,680 : 941,520 = 184,448 : x
  2. Step 2: Convert to fraction form
    627,680/941,520 = 184,448/x
  3. Step 3: Cross multiply
    627,680x = 941,520 × 184,448
  4. Step 4: Simplify right side
    627,680x = 173,661,480,960
  5. Step 5: Solve for x
    x = 173,661,480,960/627,680
  6. Step 6: Final answer
    x = 276,672

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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.