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Finding the Fourth Proportional to 506,968.88, 699,772.80 and 292,252.48

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Solution

The fourth proportional to 506,968.88, 699,772.80 and 292,252.48 is: 403,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,968.88 : 699,772.80 = 292,252.48 : x
  2. Step 2: Convert to fraction form
    506,968.88/699,772.80 = 292,252.48/x
  3. Step 3: Cross multiply
    506,968.88x = 699,772.80 × 292,252.48
  4. Step 4: Simplify right side
    506,968.88x = 204,510,336,236.54
  5. Step 5: Solve for x
    x = 204,510,336,236.54/506,968.88
  6. Step 6: Final answer
    x = 403,398.21

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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.