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Finding the Fourth Proportional to 424,052.80, 635,837.28 and 174,437.44

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Solution

The fourth proportional to 424,052.80, 635,837.28 and 174,437.44 is: 261,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,052.80 : 635,837.28 = 174,437.44 : x
  2. Step 2: Convert to fraction form
    424,052.80/635,837.28 = 174,437.44/x
  3. Step 3: Cross multiply
    424,052.80x = 635,837.28 × 174,437.44
  4. Step 4: Simplify right side
    424,052.80x = 110,913,827,379.76
  5. Step 5: Solve for x
    x = 110,913,827,379.76/424,052.80
  6. Step 6: Final answer
    x = 261,556.64

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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.