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Finding the Fourth Proportional to 376,925.84, 519,984.25 and 231,599.69

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Solution

The fourth proportional to 376,925.84, 519,984.25 and 231,599.69 is: 319,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,925.84 : 519,984.25 = 231,599.69 : x
  2. Step 2: Convert to fraction form
    376,925.84/519,984.25 = 231,599.69/x
  3. Step 3: Cross multiply
    376,925.84x = 519,984.25 × 231,599.69
  4. Step 4: Simplify right side
    376,925.84x = 120,428,187,925.96
  5. Step 5: Solve for x
    x = 120,428,187,925.96/376,925.84
  6. Step 6: Final answer
    x = 319,501.02

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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.