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Finding the Fourth Proportional to 533,872.86, 736,777.09 and 304,474.42

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Solution

The fourth proportional to 533,872.86, 736,777.09 and 304,474.42 is: 420,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,872.86 : 736,777.09 = 304,474.42 : x
  2. Step 2: Convert to fraction form
    533,872.86/736,777.09 = 304,474.42/x
  3. Step 3: Cross multiply
    533,872.86x = 736,777.09 × 304,474.42
  4. Step 4: Simplify right side
    533,872.86x = 224,329,771,940.78
  5. Step 5: Solve for x
    x = 224,329,771,940.78/533,872.86
  6. Step 6: Final answer
    x = 420,193.25

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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.