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Finding the Fourth Proportional to 266,052.70, 399,079.06 and 266,052.70

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Solution

The fourth proportional to 266,052.70, 399,079.06 and 266,052.70 is: 399,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,052.70 : 399,079.06 = 266,052.70 : x
  2. Step 2: Convert to fraction form
    266,052.70/399,079.06 = 266,052.70/x
  3. Step 3: Cross multiply
    266,052.70x = 399,079.06 × 266,052.70
  4. Step 4: Simplify right side
    266,052.70x = 106,176,061,426.46
  5. Step 5: Solve for x
    x = 106,176,061,426.46/266,052.70
  6. Step 6: Final answer
    x = 399,079.06

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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.