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Finding the Fourth Proportional to 368,162.27, 508,053.83 and 207,013.17

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Solution

The fourth proportional to 368,162.27, 508,053.83 and 207,013.17 is: 285,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,162.27 : 508,053.83 = 207,013.17 : x
  2. Step 2: Convert to fraction form
    368,162.27/508,053.83 = 207,013.17/x
  3. Step 3: Cross multiply
    368,162.27x = 508,053.83 × 207,013.17
  4. Step 4: Simplify right side
    368,162.27x = 105,173,833,878.94
  5. Step 5: Solve for x
    x = 105,173,833,878.94/368,162.27
  6. Step 6: Final answer
    x = 285,672.49

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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.