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Finding the Fourth Proportional to 368,601.88, 508,696.32 and 207,472.36

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Solution

The fourth proportional to 368,601.88, 508,696.32 and 207,472.36 is: 286,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,601.88 : 508,696.32 = 207,472.36 : x
  2. Step 2: Convert to fraction form
    368,601.88/508,696.32 = 207,472.36/x
  3. Step 3: Cross multiply
    368,601.88x = 508,696.32 × 207,472.36
  4. Step 4: Simplify right side
    368,601.88x = 105,540,426,033.72
  5. Step 5: Solve for x
    x = 105,540,426,033.72/368,601.88
  6. Step 6: Final answer
    x = 286,326.34

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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.