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Finding the Fourth Proportional to 445,706.34, 667,930.95 and 246,116.58

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Solution

The fourth proportional to 445,706.34, 667,930.95 and 246,116.58 is: 368,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,706.34 : 667,930.95 = 246,116.58 : x
  2. Step 2: Convert to fraction form
    445,706.34/667,930.95 = 246,116.58/x
  3. Step 3: Cross multiply
    445,706.34x = 667,930.95 × 246,116.58
  4. Step 4: Simplify right side
    445,706.34x = 164,388,881,090.15
  5. Step 5: Solve for x
    x = 164,388,881,090.15/445,706.34
  6. Step 6: Final answer
    x = 368,827.78

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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.