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Finding the Fourth Proportional to 629,638.48, 944,179.06 and 180,256.96

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Solution

The fourth proportional to 629,638.48, 944,179.06 and 180,256.96 is: 270,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,638.48 : 944,179.06 = 180,256.96 : x
  2. Step 2: Convert to fraction form
    629,638.48/944,179.06 = 180,256.96/x
  3. Step 3: Cross multiply
    629,638.48x = 944,179.06 × 180,256.96
  4. Step 4: Simplify right side
    629,638.48x = 170,194,847,051.26
  5. Step 5: Solve for x
    x = 170,194,847,051.26/629,638.48
  6. Step 6: Final answer
    x = 270,305.66

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1.5x scale

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.