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Finding the Fourth Proportional to 833,976, 1,251,172.98 and 385,010.82

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Solution

The fourth proportional to 833,976, 1,251,172.98 and 385,010.82 is: 577,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,976 : 1,251,172.98 = 385,010.82 : x
  2. Step 2: Convert to fraction form
    833,976/1,251,172.98 = 385,010.82/x
  3. Step 3: Cross multiply
    833,976x = 1,251,172.98 × 385,010.82
  4. Step 4: Simplify right side
    833,976x = 481,715,134,991.64
  5. Step 5: Solve for x
    x = 481,715,134,991.64/833,976
  6. Step 6: Final answer
    x = 577,612.71

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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.