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Finding the Fourth Proportional to 445,971.87, 615,240.24 and 264,691.44

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Solution

The fourth proportional to 445,971.87, 615,240.24 and 264,691.44 is: 365,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,971.87 : 615,240.24 = 264,691.44 : x
  2. Step 2: Convert to fraction form
    445,971.87/615,240.24 = 264,691.44/x
  3. Step 3: Cross multiply
    445,971.87x = 615,240.24 × 264,691.44
  4. Step 4: Simplify right side
    445,971.87x = 162,848,825,071.55
  5. Step 5: Solve for x
    x = 162,848,825,071.55/445,971.87
  6. Step 6: Final answer
    x = 365,154.93

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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.