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Finding the Fourth Proportional to 483,160.99, 724,740.69 and 123,331.79

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Solution

The fourth proportional to 483,160.99, 724,740.69 and 123,331.79 is: 184,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,160.99 : 724,740.69 = 123,331.79 : x
  2. Step 2: Convert to fraction form
    483,160.99/724,740.69 = 123,331.79/x
  3. Step 3: Cross multiply
    483,160.99x = 724,740.69 × 123,331.79
  4. Step 4: Simplify right side
    483,160.99x = 89,383,562,959.83
  5. Step 5: Solve for x
    x = 89,383,562,959.83/483,160.99
  6. Step 6: Final answer
    x = 184,997.48

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Similar ratio
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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.