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Finding the Fourth Proportional to 424,809.26, 637,026.93 and 225,083.61

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Solution

The fourth proportional to 424,809.26, 637,026.93 and 225,083.61 is: 337,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,809.26 : 637,026.93 = 225,083.61 : x
  2. Step 2: Convert to fraction form
    424,809.26/637,026.93 = 225,083.61/x
  3. Step 3: Cross multiply
    424,809.26x = 637,026.93 × 225,083.61
  4. Step 4: Simplify right side
    424,809.26x = 143,384,321,071.62
  5. Step 5: Solve for x
    x = 143,384,321,071.62/424,809.26
  6. Step 6: Final answer
    x = 337,526.36

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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.