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Finding the Fourth Proportional to 407,333.62, 562,161.90 and 226,046.80

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Solution

The fourth proportional to 407,333.62, 562,161.90 and 226,046.80 is: 311,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,333.62 : 562,161.90 = 226,046.80 : x
  2. Step 2: Convert to fraction form
    407,333.62/562,161.90 = 226,046.80/x
  3. Step 3: Cross multiply
    407,333.62x = 562,161.90 × 226,046.80
  4. Step 4: Simplify right side
    407,333.62x = 127,074,898,576.92
  5. Step 5: Solve for x
    x = 127,074,898,576.92/407,333.62
  6. Step 6: Final answer
    x = 311,967.62

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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.