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Finding the Fourth Proportional to 303,150.80, 453,851.40 and 268,158.80

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Solution

The fourth proportional to 303,150.80, 453,851.40 and 268,158.80 is: 401,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,150.80 : 453,851.40 = 268,158.80 : x
  2. Step 2: Convert to fraction form
    303,150.80/453,851.40 = 268,158.80/x
  3. Step 3: Cross multiply
    303,150.80x = 453,851.40 × 268,158.80
  4. Step 4: Simplify right side
    303,150.80x = 121,704,246,802.32
  5. Step 5: Solve for x
    x = 121,704,246,802.32/303,150.80
  6. Step 6: Final answer
    x = 401,464.38

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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.