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Finding the Fourth Proportional to 676,483, 1,013,843.20 and 376,951.48

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Solution

The fourth proportional to 676,483, 1,013,843.20 and 376,951.48 is: 564,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,483 : 1,013,843.20 = 376,951.48 : x
  2. Step 2: Convert to fraction form
    676,483/1,013,843.20 = 376,951.48/x
  3. Step 3: Cross multiply
    676,483x = 1,013,843.20 × 376,951.48
  4. Step 4: Simplify right side
    676,483x = 382,169,694,727.94
  5. Step 5: Solve for x
    x = 382,169,694,727.94/676,483
  6. Step 6: Final answer
    x = 564,936.14

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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.