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Finding the Fourth Proportional to 408,316.52, 563,466.30 and 227,019.08

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Solution

The fourth proportional to 408,316.52, 563,466.30 and 227,019.08 is: 313,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,316.52 : 563,466.30 = 227,019.08 : x
  2. Step 2: Convert to fraction form
    408,316.52/563,466.30 = 227,019.08/x
  3. Step 3: Cross multiply
    408,316.52x = 563,466.30 × 227,019.08
  4. Step 4: Simplify right side
    408,316.52x = 127,917,601,037.00
  5. Step 5: Solve for x
    x = 127,917,601,037.00/408,316.52
  6. Step 6: Final answer
    x = 313,280.49

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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.