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Finding the Fourth Proportional to 376,943.12, 520,185.53 and 204,861.08

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Solution

The fourth proportional to 376,943.12, 520,185.53 and 204,861.08 is: 282,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,943.12 : 520,185.53 = 204,861.08 : x
  2. Step 2: Convert to fraction form
    376,943.12/520,185.53 = 204,861.08/x
  3. Step 3: Cross multiply
    376,943.12x = 520,185.53 × 204,861.08
  4. Step 4: Simplify right side
    376,943.12x = 106,565,766,875.25
  5. Step 5: Solve for x
    x = 106,565,766,875.25/376,943.12
  6. Step 6: Final answer
    x = 282,710.47

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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.