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Finding the Fourth Proportional to 433,558.72, 598,306.64 and 239,966.88

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Solution

The fourth proportional to 433,558.72, 598,306.64 and 239,966.88 is: 331,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,558.72 : 598,306.64 = 239,966.88 : x
  2. Step 2: Convert to fraction form
    433,558.72/598,306.64 = 239,966.88/x
  3. Step 3: Cross multiply
    433,558.72x = 598,306.64 × 239,966.88
  4. Step 4: Simplify right side
    433,558.72x = 143,573,777,684.08
  5. Step 5: Solve for x
    x = 143,573,777,684.08/433,558.72
  6. Step 6: Final answer
    x = 331,151.86

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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.