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Finding the Fourth Proportional to 407,837.56, 562,658.82 and 300,662.44

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Solution

The fourth proportional to 407,837.56, 562,658.82 and 300,662.44 is: 414,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,837.56 : 562,658.82 = 300,662.44 : x
  2. Step 2: Convert to fraction form
    407,837.56/562,658.82 = 300,662.44/x
  3. Step 3: Cross multiply
    407,837.56x = 562,658.82 × 300,662.44
  4. Step 4: Simplify right side
    407,837.56x = 169,170,373,708.72
  5. Step 5: Solve for x
    x = 169,170,373,708.72/407,837.56
  6. Step 6: Final answer
    x = 414,798.42

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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.