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Finding the Fourth Proportional to 291,794.88, 437,730.60 and 114,278.82

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Solution

The fourth proportional to 291,794.88, 437,730.60 and 114,278.82 is: 171,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,794.88 : 437,730.60 = 114,278.82 : x
  2. Step 2: Convert to fraction form
    291,794.88/437,730.60 = 114,278.82/x
  3. Step 3: Cross multiply
    291,794.88x = 437,730.60 × 114,278.82
  4. Step 4: Simplify right side
    291,794.88x = 50,023,336,445.89
  5. Step 5: Solve for x
    x = 50,023,336,445.89/291,794.88
  6. Step 6: Final answer
    x = 171,433.22

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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.