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Finding the Fourth Proportional to 777,523.80, 1,165,882.50 and 356,437.08

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Solution

The fourth proportional to 777,523.80, 1,165,882.50 and 356,437.08 is: 534,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,523.80 : 1,165,882.50 = 356,437.08 : x
  2. Step 2: Convert to fraction form
    777,523.80/1,165,882.50 = 356,437.08/x
  3. Step 3: Cross multiply
    777,523.80x = 1,165,882.50 × 356,437.08
  4. Step 4: Simplify right side
    777,523.80x = 415,563,753,923.10
  5. Step 5: Solve for x
    x = 415,563,753,923.10/777,523.80
  6. Step 6: Final answer
    x = 534,470.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.