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Finding the Fourth Proportional to 445,419.84, 667,342.44 and 295,304.16

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Solution

The fourth proportional to 445,419.84, 667,342.44 and 295,304.16 is: 442,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,419.84 : 667,342.44 = 295,304.16 : x
  2. Step 2: Convert to fraction form
    445,419.84/667,342.44 = 295,304.16/x
  3. Step 3: Cross multiply
    445,419.84x = 667,342.44 × 295,304.16
  4. Step 4: Simplify right side
    445,419.84x = 197,068,998,676.55
  5. Step 5: Solve for x
    x = 197,068,998,676.55/445,419.84
  6. Step 6: Final answer
    x = 442,434.26

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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.