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Finding the Fourth Proportional to 266,529.40, 399,797.34 and 148,949.80

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Solution

The fourth proportional to 266,529.40, 399,797.34 and 148,949.80 is: 223,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,529.40 : 399,797.34 = 148,949.80 : x
  2. Step 2: Convert to fraction form
    266,529.40/399,797.34 = 148,949.80/x
  3. Step 3: Cross multiply
    266,529.40x = 399,797.34 × 148,949.80
  4. Step 4: Simplify right side
    266,529.40x = 59,549,733,833.53
  5. Step 5: Solve for x
    x = 59,549,733,833.53/266,529.40
  6. Step 6: Final answer
    x = 223,426.51

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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.