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Finding the Fourth Proportional to 332,654.80, 459,064.12 and 189,414.96

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Solution

The fourth proportional to 332,654.80, 459,064.12 and 189,414.96 is: 261,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,654.80 : 459,064.12 = 189,414.96 : x
  2. Step 2: Convert to fraction form
    332,654.80/459,064.12 = 189,414.96/x
  3. Step 3: Cross multiply
    332,654.80x = 459,064.12 × 189,414.96
  4. Step 4: Simplify right side
    332,654.80x = 86,953,611,927.24
  5. Step 5: Solve for x
    x = 86,953,611,927.24/332,654.80
  6. Step 6: Final answer
    x = 261,392.93

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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.