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Finding the Fourth Proportional to 351,145.92, 484,577.88 and 189,997.44

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Solution

The fourth proportional to 351,145.92, 484,577.88 and 189,997.44 is: 262,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,145.92 : 484,577.88 = 189,997.44 : x
  2. Step 2: Convert to fraction form
    351,145.92/484,577.88 = 189,997.44/x
  3. Step 3: Cross multiply
    351,145.92x = 484,577.88 × 189,997.44
  4. Step 4: Simplify right side
    351,145.92x = 92,068,556,680.63
  5. Step 5: Solve for x
    x = 92,068,556,680.63/351,145.92
  6. Step 6: Final answer
    x = 262,194.58

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1.5x scale

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.