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Finding the Fourth Proportional to 368,213.27, 508,129.46 and 207,068.27

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Solution

The fourth proportional to 368,213.27, 508,129.46 and 207,068.27 is: 285,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,213.27 : 508,129.46 = 207,068.27 : x
  2. Step 2: Convert to fraction form
    368,213.27/508,129.46 = 207,068.27/x
  3. Step 3: Cross multiply
    368,213.27x = 508,129.46 × 207,068.27
  4. Step 4: Simplify right side
    368,213.27x = 105,217,488,100.74
  5. Step 5: Solve for x
    x = 105,217,488,100.74/368,213.27
  6. Step 6: Final answer
    x = 285,751.49

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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.