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Finding the Fourth Proportional to 424,028.67, 635,793.93 and 171,317.19

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Solution

The fourth proportional to 424,028.67, 635,793.93 and 171,317.19 is: 256,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,028.67 : 635,793.93 = 171,317.19 : x
  2. Step 2: Convert to fraction form
    424,028.67/635,793.93 = 171,317.19/x
  3. Step 3: Cross multiply
    424,028.67x = 635,793.93 × 171,317.19
  4. Step 4: Simplify right side
    424,028.67x = 108,922,429,506.66
  5. Step 5: Solve for x
    x = 108,922,429,506.66/424,028.67
  6. Step 6: Final answer
    x = 256,875.15

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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.