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Finding the Fourth Proportional to 350,654.12, 483,904.89 and 189,508.79

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Solution

The fourth proportional to 350,654.12, 483,904.89 and 189,508.79 is: 261,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,654.12 : 483,904.89 = 189,508.79 : x
  2. Step 2: Convert to fraction form
    350,654.12/483,904.89 = 189,508.79/x
  3. Step 3: Cross multiply
    350,654.12x = 483,904.89 × 189,508.79
  4. Step 4: Simplify right side
    350,654.12x = 91,704,227,759.46
  5. Step 5: Solve for x
    x = 91,704,227,759.46/350,654.12
  6. Step 6: Final answer
    x = 261,523.32

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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.