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Finding the Fourth Proportional to 376,294.75, 519,312.33 and 212,951.36

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Solution

The fourth proportional to 376,294.75, 519,312.33 and 212,951.36 is: 293,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,294.75 : 519,312.33 = 212,951.36 : x
  2. Step 2: Convert to fraction form
    376,294.75/519,312.33 = 212,951.36/x
  3. Step 3: Cross multiply
    376,294.75x = 519,312.33 × 212,951.36
  4. Step 4: Simplify right side
    376,294.75x = 110,588,268,236.55
  5. Step 5: Solve for x
    x = 110,588,268,236.55/376,294.75
  6. Step 6: Final answer
    x = 293,887.36

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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.