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Finding the Fourth Proportional to 228,600.43, 316,070.30 and 200,224.51

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Solution

The fourth proportional to 228,600.43, 316,070.30 and 200,224.51 is: 276,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,600.43 : 316,070.30 = 200,224.51 : x
  2. Step 2: Convert to fraction form
    228,600.43/316,070.30 = 200,224.51/x
  3. Step 3: Cross multiply
    228,600.43x = 316,070.30 × 200,224.51
  4. Step 4: Simplify right side
    228,600.43x = 63,285,020,943.05
  5. Step 5: Solve for x
    x = 63,285,020,943.05/228,600.43
  6. Step 6: Final answer
    x = 276,836.84

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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.