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Finding the Fourth Proportional to 366,731.76, 506,131.82 and 205,630.32

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Solution

The fourth proportional to 366,731.76, 506,131.82 and 205,630.32 is: 283,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,731.76 : 506,131.82 = 205,630.32 : x
  2. Step 2: Convert to fraction form
    366,731.76/506,131.82 = 205,630.32/x
  3. Step 3: Cross multiply
    366,731.76x = 506,131.82 × 205,630.32
  4. Step 4: Simplify right side
    366,731.76x = 104,076,048,108.78
  5. Step 5: Solve for x
    x = 104,076,048,108.78/366,731.76
  6. Step 6: Final answer
    x = 283,793.39

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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.