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Finding the Fourth Proportional to 483,003.48, 724,485.78 and 246,340.92

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Solution

The fourth proportional to 483,003.48, 724,485.78 and 246,340.92 is: 369,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,003.48 : 724,485.78 = 246,340.92 : x
  2. Step 2: Convert to fraction form
    483,003.48/724,485.78 = 246,340.92/x
  3. Step 3: Cross multiply
    483,003.48x = 724,485.78 × 246,340.92
  4. Step 4: Simplify right side
    483,003.48x = 178,470,493,572.12
  5. Step 5: Solve for x
    x = 178,470,493,572.12/483,003.48
  6. Step 6: Final answer
    x = 369,501.47

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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.