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Finding the Fourth Proportional to 366,876.95, 506,295.41 and 221,662.58

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Solution

The fourth proportional to 366,876.95, 506,295.41 and 221,662.58 is: 305,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,876.95 : 506,295.41 = 221,662.58 : x
  2. Step 2: Convert to fraction form
    366,876.95/506,295.41 = 221,662.58/x
  3. Step 3: Cross multiply
    366,876.95x = 506,295.41 × 221,662.58
  4. Step 4: Simplify right side
    366,876.95x = 112,226,743,182.97
  5. Step 5: Solve for x
    x = 112,226,743,182.97/366,876.95
  6. Step 6: Final answer
    x = 305,897.51

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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.