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Finding the Fourth Proportional to 536,696.56, 739,878.96 and 426,837.78

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Solution

The fourth proportional to 536,696.56, 739,878.96 and 426,837.78 is: 588,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,696.56 : 739,878.96 = 426,837.78 : x
  2. Step 2: Convert to fraction form
    536,696.56/739,878.96 = 426,837.78/x
  3. Step 3: Cross multiply
    536,696.56x = 739,878.96 × 426,837.78
  4. Step 4: Simplify right side
    536,696.56x = 315,808,294,355.75
  5. Step 5: Solve for x
    x = 315,808,294,355.75/536,696.56
  6. Step 6: Final answer
    x = 588,429.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.