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Finding the Fourth Proportional to 483,287.28, 724,653.14 and 199,173.98

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Solution

The fourth proportional to 483,287.28, 724,653.14 and 199,173.98 is: 298,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,287.28 : 724,653.14 = 199,173.98 : x
  2. Step 2: Convert to fraction form
    483,287.28/724,653.14 = 199,173.98/x
  3. Step 3: Cross multiply
    483,287.28x = 724,653.14 × 199,173.98
  4. Step 4: Simplify right side
    483,287.28x = 144,332,045,394.16
  5. Step 5: Solve for x
    x = 144,332,045,394.16/483,287.28
  6. Step 6: Final answer
    x = 298,646.48

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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.