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Finding the Fourth Proportional to 682,484, 941,881.02 and 376,620.80

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Solution

The fourth proportional to 682,484, 941,881.02 and 376,620.80 is: 519,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,484 : 941,881.02 = 376,620.80 : x
  2. Step 2: Convert to fraction form
    682,484/941,881.02 = 376,620.80/x
  3. Step 3: Cross multiply
    682,484x = 941,881.02 × 376,620.80
  4. Step 4: Simplify right side
    682,484x = 354,731,983,257.22
  5. Step 5: Solve for x
    x = 354,731,983,257.22/682,484
  6. Step 6: Final answer
    x = 519,766.01

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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.