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Finding the Fourth Proportional to 483,728.68, 725,909.06 and 184,212.15

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Solution

The fourth proportional to 483,728.68, 725,909.06 and 184,212.15 is: 276,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,728.68 : 725,909.06 = 184,212.15 : x
  2. Step 2: Convert to fraction form
    483,728.68/725,909.06 = 184,212.15/x
  3. Step 3: Cross multiply
    483,728.68x = 725,909.06 × 184,212.15
  4. Step 4: Simplify right side
    483,728.68x = 133,721,268,647.08
  5. Step 5: Solve for x
    x = 133,721,268,647.08/483,728.68
  6. Step 6: Final answer
    x = 276,438.58

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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.