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Finding the Fourth Proportional to 376,850.60, 520,047.78 and 207,081.08

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Solution

The fourth proportional to 376,850.60, 520,047.78 and 207,081.08 is: 285,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,850.60 : 520,047.78 = 207,081.08 : x
  2. Step 2: Convert to fraction form
    376,850.60/520,047.78 = 207,081.08/x
  3. Step 3: Cross multiply
    376,850.60x = 520,047.78 × 207,081.08
  4. Step 4: Simplify right side
    376,850.60x = 107,692,055,934.00
  5. Step 5: Solve for x
    x = 107,692,055,934.00/376,850.60
  6. Step 6: Final answer
    x = 285,768.57

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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.