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Finding the Fourth Proportional to 366,782.88, 506,161.74 and 213,926.61

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Solution

The fourth proportional to 366,782.88, 506,161.74 and 213,926.61 is: 295,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,782.88 : 506,161.74 = 213,926.61 : x
  2. Step 2: Convert to fraction form
    366,782.88/506,161.74 = 213,926.61/x
  3. Step 3: Cross multiply
    366,782.88x = 506,161.74 × 213,926.61
  4. Step 4: Simplify right side
    366,782.88x = 108,281,465,149.90
  5. Step 5: Solve for x
    x = 108,281,465,149.90/366,782.88
  6. Step 6: Final answer
    x = 295,219.52

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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.