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Finding the Fourth Proportional to 546,760.13, 820,183.02 and 147,394.79

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Solution

The fourth proportional to 546,760.13, 820,183.02 and 147,394.79 is: 221,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,760.13 : 820,183.02 = 147,394.79 : x
  2. Step 2: Convert to fraction form
    546,760.13/820,183.02 = 147,394.79/x
  3. Step 3: Cross multiply
    546,760.13x = 820,183.02 × 147,394.79
  4. Step 4: Simplify right side
    546,760.13x = 120,890,702,416.51
  5. Step 5: Solve for x
    x = 120,890,702,416.51/546,760.13
  6. Step 6: Final answer
    x = 221,103.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.