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Finding the Fourth Proportional to 364,990.80, 547,311.24 and 187,406.40

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Solution

The fourth proportional to 364,990.80, 547,311.24 and 187,406.40 is: 281,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,990.80 : 547,311.24 = 187,406.40 : x
  2. Step 2: Convert to fraction form
    364,990.80/547,311.24 = 187,406.40/x
  3. Step 3: Cross multiply
    364,990.80x = 547,311.24 × 187,406.40
  4. Step 4: Simplify right side
    364,990.80x = 102,569,629,167.94
  5. Step 5: Solve for x
    x = 102,569,629,167.94/364,990.80
  6. Step 6: Final answer
    x = 281,019.77

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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.