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Finding the Fourth Proportional to 445,071.42, 667,606.92 and 295,603.47

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Solution

The fourth proportional to 445,071.42, 667,606.92 and 295,603.47 is: 443,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,071.42 : 667,606.92 = 295,603.47 : x
  2. Step 2: Convert to fraction form
    445,071.42/667,606.92 = 295,603.47/x
  3. Step 3: Cross multiply
    445,071.42x = 667,606.92 × 295,603.47
  4. Step 4: Simplify right side
    445,071.42x = 197,346,918,070.97
  5. Step 5: Solve for x
    x = 197,346,918,070.97/445,071.42
  6. Step 6: Final answer
    x = 443,405.06

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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.