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Finding the Fourth Proportional to 406,231.12, 560,597.52 and 227,383.12

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Solution

The fourth proportional to 406,231.12, 560,597.52 and 227,383.12 is: 313,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,231.12 : 560,597.52 = 227,383.12 : x
  2. Step 2: Convert to fraction form
    406,231.12/560,597.52 = 227,383.12/x
  3. Step 3: Cross multiply
    406,231.12x = 560,597.52 × 227,383.12
  4. Step 4: Simplify right side
    406,231.12x = 127,470,413,161.86
  5. Step 5: Solve for x
    x = 127,470,413,161.86/406,231.12
  6. Step 6: Final answer
    x = 313,787.91

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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.