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Finding the Fourth Proportional to 376,755.66, 519,622.11 and 247,826.52

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Solution

The fourth proportional to 376,755.66, 519,622.11 and 247,826.52 is: 341,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,755.66 : 519,622.11 = 247,826.52 : x
  2. Step 2: Convert to fraction form
    376,755.66/519,622.11 = 247,826.52/x
  3. Step 3: Cross multiply
    376,755.66x = 519,622.11 × 247,826.52
  4. Step 4: Simplify right side
    376,755.66x = 128,776,139,236.36
  5. Step 5: Solve for x
    x = 128,776,139,236.36/376,755.66
  6. Step 6: Final answer
    x = 341,802.80

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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.