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Finding the Fourth Proportional to 404,657.92, 607,293.20 and 227,314.09

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Solution

The fourth proportional to 404,657.92, 607,293.20 and 227,314.09 is: 341,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,657.92 : 607,293.20 = 227,314.09 : x
  2. Step 2: Convert to fraction form
    404,657.92/607,293.20 = 227,314.09/x
  3. Step 3: Cross multiply
    404,657.92x = 607,293.20 × 227,314.09
  4. Step 4: Simplify right side
    404,657.92x = 138,046,301,121.19
  5. Step 5: Solve for x
    x = 138,046,301,121.19/404,657.92
  6. Step 6: Final answer
    x = 341,143.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.