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Finding the Fourth Proportional to 437,231.73, 603,381.05 and 253,505.96

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Solution

The fourth proportional to 437,231.73, 603,381.05 and 253,505.96 is: 349,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,231.73 : 603,381.05 = 253,505.96 : x
  2. Step 2: Convert to fraction form
    437,231.73/603,381.05 = 253,505.96/x
  3. Step 3: Cross multiply
    437,231.73x = 603,381.05 × 253,505.96
  4. Step 4: Simplify right side
    437,231.73x = 152,960,692,326.06
  5. Step 5: Solve for x
    x = 152,960,692,326.06/437,231.73
  6. Step 6: Final answer
    x = 349,838.96

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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.