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Finding the Fourth Proportional to 366,653.88, 506,002.50 and 205,560.72

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Solution

The fourth proportional to 366,653.88, 506,002.50 and 205,560.72 is: 283,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,653.88 : 506,002.50 = 205,560.72 : x
  2. Step 2: Convert to fraction form
    366,653.88/506,002.50 = 205,560.72/x
  3. Step 3: Cross multiply
    366,653.88x = 506,002.50 × 205,560.72
  4. Step 4: Simplify right side
    366,653.88x = 104,014,238,221.80
  5. Step 5: Solve for x
    x = 104,014,238,221.80/366,653.88
  6. Step 6: Final answer
    x = 283,685.09

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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.