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Finding the Fourth Proportional to 603,877.22, 905,819.69 and 177,411.30

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Solution

The fourth proportional to 603,877.22, 905,819.69 and 177,411.30 is: 266,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,877.22 : 905,819.69 = 177,411.30 : x
  2. Step 2: Convert to fraction form
    603,877.22/905,819.69 = 177,411.30/x
  3. Step 3: Cross multiply
    603,877.22x = 905,819.69 × 177,411.30
  4. Step 4: Simplify right side
    603,877.22x = 160,702,647,881.44
  5. Step 5: Solve for x
    x = 160,702,647,881.44/603,877.22
  6. Step 6: Final answer
    x = 266,118.08

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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.