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Finding the Fourth Proportional to 334,556.57, 461,628.52 and 189,361.64

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Solution

The fourth proportional to 334,556.57, 461,628.52 and 189,361.64 is: 261,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,556.57 : 461,628.52 = 189,361.64 : x
  2. Step 2: Convert to fraction form
    334,556.57/461,628.52 = 189,361.64/x
  3. Step 3: Cross multiply
    334,556.57x = 461,628.52 × 189,361.64
  4. Step 4: Simplify right side
    334,556.57x = 87,414,730,363.02
  5. Step 5: Solve for x
    x = 87,414,730,363.02/334,556.57
  6. Step 6: Final answer
    x = 261,285.35

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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.