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Finding the Fourth Proportional to 292,511.62, 438,832.23 and 92,843.38

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Solution

The fourth proportional to 292,511.62, 438,832.23 and 92,843.38 is: 139,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,511.62 : 438,832.23 = 92,843.38 : x
  2. Step 2: Convert to fraction form
    292,511.62/438,832.23 = 92,843.38/x
  3. Step 3: Cross multiply
    292,511.62x = 438,832.23 × 92,843.38
  4. Step 4: Simplify right side
    292,511.62x = 40,742,667,486.14
  5. Step 5: Solve for x
    x = 40,742,667,486.14/292,511.62
  6. Step 6: Final answer
    x = 139,285.64

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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.