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Finding the Fourth Proportional to 368,237.86, 508,163.43 and 207,092.86

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Solution

The fourth proportional to 368,237.86, 508,163.43 and 207,092.86 is: 285,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,237.86 : 508,163.43 = 207,092.86 : x
  2. Step 2: Convert to fraction form
    368,237.86/508,163.43 = 207,092.86/x
  3. Step 3: Cross multiply
    368,237.86x = 508,163.43 × 207,092.86
  4. Step 4: Simplify right side
    368,237.86x = 105,237,018,066.11
  5. Step 5: Solve for x
    x = 105,237,018,066.11/368,237.86
  6. Step 6: Final answer
    x = 285,785.44

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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.