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Finding the Fourth Proportional to 546,797.80, 820,311.90 and 231,092.20

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Solution

The fourth proportional to 546,797.80, 820,311.90 and 231,092.20 is: 346,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,797.80 : 820,311.90 = 231,092.20 : x
  2. Step 2: Convert to fraction form
    546,797.80/820,311.90 = 231,092.20/x
  3. Step 3: Cross multiply
    546,797.80x = 820,311.90 × 231,092.20
  4. Step 4: Simplify right side
    546,797.80x = 189,567,681,657.18
  5. Step 5: Solve for x
    x = 189,567,681,657.18/546,797.80
  6. Step 6: Final answer
    x = 346,686.99

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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.