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Finding the Fourth Proportional to 332,682.78, 459,046.71 and 189,445.02

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Solution

The fourth proportional to 332,682.78, 459,046.71 and 189,445.02 is: 261,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,682.78 : 459,046.71 = 189,445.02 : x
  2. Step 2: Convert to fraction form
    332,682.78/459,046.71 = 189,445.02/x
  3. Step 3: Cross multiply
    332,682.78x = 459,046.71 × 189,445.02
  4. Step 4: Simplify right side
    332,682.78x = 86,964,113,156.88
  5. Step 5: Solve for x
    x = 86,964,113,156.88/332,682.78
  6. Step 6: Final answer
    x = 261,402.51

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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.