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Finding the Fourth Proportional to 406,246.12, 560,618.22 and 227,398.12

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Solution

The fourth proportional to 406,246.12, 560,618.22 and 227,398.12 is: 313,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,246.12 : 560,618.22 = 227,398.12 : x
  2. Step 2: Convert to fraction form
    406,246.12/560,618.22 = 227,398.12/x
  3. Step 3: Cross multiply
    406,246.12x = 560,618.22 × 227,398.12
  4. Step 4: Simplify right side
    406,246.12x = 127,483,529,265.75
  5. Step 5: Solve for x
    x = 127,483,529,265.75/406,246.12
  6. Step 6: Final answer
    x = 313,808.61

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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.