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Finding the Fourth Proportional to 366,698.36, 506,072.94 and 215,824.52

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Solution

The fourth proportional to 366,698.36, 506,072.94 and 215,824.52 is: 297,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,698.36 : 506,072.94 = 215,824.52 : x
  2. Step 2: Convert to fraction form
    366,698.36/506,072.94 = 215,824.52/x
  3. Step 3: Cross multiply
    366,698.36x = 506,072.94 × 215,824.52
  4. Step 4: Simplify right side
    366,698.36x = 109,222,949,360.49
  5. Step 5: Solve for x
    x = 109,222,949,360.49/366,698.36
  6. Step 6: Final answer
    x = 297,855.03

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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.