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Finding the Fourth Proportional to 376,887.89, 519,871.81 and 247,841.12

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Solution

The fourth proportional to 376,887.89, 519,871.81 and 247,841.12 is: 341,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,887.89 : 519,871.81 = 247,841.12 : x
  2. Step 2: Convert to fraction form
    376,887.89/519,871.81 = 247,841.12/x
  3. Step 3: Cross multiply
    376,887.89x = 519,871.81 × 247,841.12
  4. Step 4: Simplify right side
    376,887.89x = 128,845,611,646.83
  5. Step 5: Solve for x
    x = 128,845,611,646.83/376,887.89
  6. Step 6: Final answer
    x = 341,867.21

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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.