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Finding the Fourth Proportional to 349,709.58, 482,773.50 and 229,035.78

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Solution

The fourth proportional to 349,709.58, 482,773.50 and 229,035.78 is: 316,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,709.58 : 482,773.50 = 229,035.78 : x
  2. Step 2: Convert to fraction form
    349,709.58/482,773.50 = 229,035.78/x
  3. Step 3: Cross multiply
    349,709.58x = 482,773.50 × 229,035.78
  4. Step 4: Simplify right side
    349,709.58x = 110,572,405,135.83
  5. Step 5: Solve for x
    x = 110,572,405,135.83/349,709.58
  6. Step 6: Final answer
    x = 316,183.52

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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.