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Finding the Fourth Proportional to 558,842.50, 771,085.92 and 365,533.48

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Solution

The fourth proportional to 558,842.50, 771,085.92 and 365,533.48 is: 504,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,842.50 : 771,085.92 = 365,533.48 : x
  2. Step 2: Convert to fraction form
    558,842.50/771,085.92 = 365,533.48/x
  3. Step 3: Cross multiply
    558,842.50x = 771,085.92 × 365,533.48
  4. Step 4: Simplify right side
    558,842.50x = 281,857,719,716.60
  5. Step 5: Solve for x
    x = 281,857,719,716.60/558,842.50
  6. Step 6: Final answer
    x = 504,359.85

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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.