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Finding the Fourth Proportional to 538,626.02, 807,851.52 and 254,316.02

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Solution

The fourth proportional to 538,626.02, 807,851.52 and 254,316.02 is: 381,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,626.02 : 807,851.52 = 254,316.02 : x
  2. Step 2: Convert to fraction form
    538,626.02/807,851.52 = 254,316.02/x
  3. Step 3: Cross multiply
    538,626.02x = 807,851.52 × 254,316.02
  4. Step 4: Simplify right side
    538,626.02x = 205,449,579,278.09
  5. Step 5: Solve for x
    x = 205,449,579,278.09/538,626.02
  6. Step 6: Final answer
    x = 381,432.71

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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.