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Finding the Fourth Proportional to 407,635.67, 562,589.12 and 246,491.87

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Solution

The fourth proportional to 407,635.67, 562,589.12 and 246,491.87 is: 340,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,635.67 : 562,589.12 = 246,491.87 : x
  2. Step 2: Convert to fraction form
    407,635.67/562,589.12 = 246,491.87/x
  3. Step 3: Cross multiply
    407,635.67x = 562,589.12 × 246,491.87
  4. Step 4: Simplify right side
    407,635.67x = 138,673,640,185.05
  5. Step 5: Solve for x
    x = 138,673,640,185.05/407,635.67
  6. Step 6: Final answer
    x = 340,190.16

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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.