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Finding the Fourth Proportional to 424,111.26, 636,458.88 and 174,793.26

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Solution

The fourth proportional to 424,111.26, 636,458.88 and 174,793.26 is: 262,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,111.26 : 636,458.88 = 174,793.26 : x
  2. Step 2: Convert to fraction form
    424,111.26/636,458.88 = 174,793.26/x
  3. Step 3: Cross multiply
    424,111.26x = 636,458.88 × 174,793.26
  4. Step 4: Simplify right side
    424,111.26x = 111,248,722,491.15
  5. Step 5: Solve for x
    x = 111,248,722,491.15/424,111.26
  6. Step 6: Final answer
    x = 262,310.23

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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.