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Finding the Fourth Proportional to 407,553.48, 562,425.80 and 254,680.44

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Solution

The fourth proportional to 407,553.48, 562,425.80 and 254,680.44 is: 351,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,553.48 : 562,425.80 = 254,680.44 : x
  2. Step 2: Convert to fraction form
    407,553.48/562,425.80 = 254,680.44/x
  3. Step 3: Cross multiply
    407,553.48x = 562,425.80 × 254,680.44
  4. Step 4: Simplify right side
    407,553.48x = 143,238,850,211.35
  5. Step 5: Solve for x
    x = 143,238,850,211.35/407,553.48
  6. Step 6: Final answer
    x = 351,460.26

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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.