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Finding the Fourth Proportional to 407,552.48, 562,424.42 and 254,679.44

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Solution

The fourth proportional to 407,552.48, 562,424.42 and 254,679.44 is: 351,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,552.48 : 562,424.42 = 254,679.44 : x
  2. Step 2: Convert to fraction form
    407,552.48/562,424.42 = 254,679.44/x
  3. Step 3: Cross multiply
    407,552.48x = 562,424.42 × 254,679.44
  4. Step 4: Simplify right side
    407,552.48x = 143,237,936,327.93
  5. Step 5: Solve for x
    x = 143,237,936,327.93/407,552.48
  6. Step 6: Final answer
    x = 351,458.88

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1.5x scale

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.