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Finding the Fourth Proportional to 493,777.96, 740,642.16 and 173,945.68

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Solution

The fourth proportional to 493,777.96, 740,642.16 and 173,945.68 is: 260,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,777.96 : 740,642.16 = 173,945.68 : x
  2. Step 2: Convert to fraction form
    493,777.96/740,642.16 = 173,945.68/x
  3. Step 3: Cross multiply
    493,777.96x = 740,642.16 × 173,945.68
  4. Step 4: Simplify right side
    493,777.96x = 128,831,504,157.87
  5. Step 5: Solve for x
    x = 128,831,504,157.87/493,777.96
  6. Step 6: Final answer
    x = 260,909.79

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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.