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Finding the Fourth Proportional to 535,861.74, 739,490.82 and 294,169.08

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Solution

The fourth proportional to 535,861.74, 739,490.82 and 294,169.08 is: 405,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,861.74 : 739,490.82 = 294,169.08 : x
  2. Step 2: Convert to fraction form
    535,861.74/739,490.82 = 294,169.08/x
  3. Step 3: Cross multiply
    535,861.74x = 739,490.82 × 294,169.08
  4. Step 4: Simplify right side
    535,861.74x = 217,535,334,187.85
  5. Step 5: Solve for x
    x = 217,535,334,187.85/535,861.74
  6. Step 6: Final answer
    x = 405,954.22

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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.