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Finding the Fourth Proportional to 349,666.60, 482,539.21 and 196,704.91

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Solution

The fourth proportional to 349,666.60, 482,539.21 and 196,704.91 is: 271,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,666.60 : 482,539.21 = 196,704.91 : x
  2. Step 2: Convert to fraction form
    349,666.60/482,539.21 = 196,704.91/x
  3. Step 3: Cross multiply
    349,666.60x = 482,539.21 × 196,704.91
  4. Step 4: Simplify right side
    349,666.60x = 94,917,831,874.52
  5. Step 5: Solve for x
    x = 94,917,831,874.52/349,666.60
  6. Step 6: Final answer
    x = 271,452.38

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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.