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Finding the Fourth Proportional to 368,192.96, 508,103.08 and 207,044.57

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Solution

The fourth proportional to 368,192.96, 508,103.08 and 207,044.57 is: 285,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,192.96 : 508,103.08 = 207,044.57 : x
  2. Step 2: Convert to fraction form
    368,192.96/508,103.08 = 207,044.57/x
  3. Step 3: Cross multiply
    368,192.96x = 508,103.08 × 207,044.57
  4. Step 4: Simplify right side
    368,192.96x = 105,199,984,466.92
  5. Step 5: Solve for x
    x = 105,199,984,466.92/368,192.96
  6. Step 6: Final answer
    x = 285,719.71

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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.