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Finding the Fourth Proportional to 407,845.44, 562,810.68 and 226,568.88

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Solution

The fourth proportional to 407,845.44, 562,810.68 and 226,568.88 is: 312,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,845.44 : 562,810.68 = 226,568.88 : x
  2. Step 2: Convert to fraction form
    407,845.44/562,810.68 = 226,568.88/x
  3. Step 3: Cross multiply
    407,845.44x = 562,810.68 × 226,568.88
  4. Step 4: Simplify right side
    407,845.44x = 127,515,385,419.64
  5. Step 5: Solve for x
    x = 127,515,385,419.64/407,845.44
  6. Step 6: Final answer
    x = 312,656.15

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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.