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Finding the Fourth Proportional to 440,327.72, 660,043.26 and 173,722.28

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Solution

The fourth proportional to 440,327.72, 660,043.26 and 173,722.28 is: 260,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,327.72 : 660,043.26 = 173,722.28 : x
  2. Step 2: Convert to fraction form
    440,327.72/660,043.26 = 173,722.28/x
  3. Step 3: Cross multiply
    440,327.72x = 660,043.26 × 173,722.28
  4. Step 4: Simplify right side
    440,327.72x = 114,664,220,025.83
  5. Step 5: Solve for x
    x = 114,664,220,025.83/440,327.72
  6. Step 6: Final answer
    x = 260,406.54

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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.