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Finding the Fourth Proportional to 603,609.15, 905,553.76 and 177,127.75

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Solution

The fourth proportional to 603,609.15, 905,553.76 and 177,127.75 is: 265,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,609.15 : 905,553.76 = 177,127.75 : x
  2. Step 2: Convert to fraction form
    603,609.15/905,553.76 = 177,127.75/x
  3. Step 3: Cross multiply
    603,609.15x = 905,553.76 × 177,127.75
  4. Step 4: Simplify right side
    603,609.15x = 160,398,700,012.84
  5. Step 5: Solve for x
    x = 160,398,700,012.84/603,609.15
  6. Step 6: Final answer
    x = 265,732.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.