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Finding the Fourth Proportional to 295,680.70, 443,472.51 and 82,463.09

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Solution

The fourth proportional to 295,680.70, 443,472.51 and 82,463.09 is: 123,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,680.70 : 443,472.51 = 82,463.09 : x
  2. Step 2: Convert to fraction form
    295,680.70/443,472.51 = 82,463.09/x
  3. Step 3: Cross multiply
    295,680.70x = 443,472.51 × 82,463.09
  4. Step 4: Simplify right side
    295,680.70x = 36,570,113,504.66
  5. Step 5: Solve for x
    x = 36,570,113,504.66/295,680.70
  6. Step 6: Final answer
    x = 123,681.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.