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Finding the Fourth Proportional to 483,259.99, 724,612.15 and 199,146.64

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Solution

The fourth proportional to 483,259.99, 724,612.15 and 199,146.64 is: 298,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,259.99 : 724,612.15 = 199,146.64 : x
  2. Step 2: Convert to fraction form
    483,259.99/724,612.15 = 199,146.64/x
  3. Step 3: Cross multiply
    483,259.99x = 724,612.15 × 199,146.64
  4. Step 4: Simplify right side
    483,259.99x = 144,304,074,975.68
  5. Step 5: Solve for x
    x = 144,304,074,975.68/483,259.99
  6. Step 6: Final answer
    x = 298,605.47

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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.