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Finding the Fourth Proportional to 368,377.92, 508,391.04 and 207,223.35

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Solution

The fourth proportional to 368,377.92, 508,391.04 and 207,223.35 is: 285,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377.92 : 508,391.04 = 207,223.35 : x
  2. Step 2: Convert to fraction form
    368,377.92/508,391.04 = 207,223.35/x
  3. Step 3: Cross multiply
    368,377.92x = 508,391.04 × 207,223.35
  4. Step 4: Simplify right side
    368,377.92x = 105,350,494,418.78
  5. Step 5: Solve for x
    x = 105,350,494,418.78/368,377.92
  6. Step 6: Final answer
    x = 285,984.82

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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.