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Finding the Fourth Proportional to 356,523.05, 534,424.70 and 223,496.75

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Solution

The fourth proportional to 356,523.05, 534,424.70 and 223,496.75 is: 335,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,523.05 : 534,424.70 = 223,496.75 : x
  2. Step 2: Convert to fraction form
    356,523.05/534,424.70 = 223,496.75/x
  3. Step 3: Cross multiply
    356,523.05x = 534,424.70 × 223,496.75
  4. Step 4: Simplify right side
    356,523.05x = 119,442,185,464.53
  5. Step 5: Solve for x
    x = 119,442,185,464.53/356,523.05
  6. Step 6: Final answer
    x = 335,019.53

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Why These Related Problems?

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