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Finding the Fourth Proportional to 363,395.59, 543,760.26 and 303,275.53

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Solution

The fourth proportional to 363,395.59, 543,760.26 and 303,275.53 is: 453,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,395.59 : 543,760.26 = 303,275.53 : x
  2. Step 2: Convert to fraction form
    363,395.59/543,760.26 = 303,275.53/x
  3. Step 3: Cross multiply
    363,395.59x = 543,760.26 × 303,275.53
  4. Step 4: Simplify right side
    363,395.59x = 164,909,181,044.44
  5. Step 5: Solve for x
    x = 164,909,181,044.44/363,395.59
  6. Step 6: Final answer
    x = 453,800.72

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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.