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Finding the Fourth Proportional to 424,375.06, 585,625.87 and 233,388.61

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Solution

The fourth proportional to 424,375.06, 585,625.87 and 233,388.61 is: 322,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,375.06 : 585,625.87 = 233,388.61 : x
  2. Step 2: Convert to fraction form
    424,375.06/585,625.87 = 233,388.61/x
  3. Step 3: Cross multiply
    424,375.06x = 585,625.87 × 233,388.61
  4. Step 4: Simplify right side
    424,375.06x = 136,678,407,779.34
  5. Step 5: Solve for x
    x = 136,678,407,779.34/424,375.06
  6. Step 6: Final answer
    x = 322,069.84

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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.