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Finding the Fourth Proportional to 266,548.49, 399,478.27 and 199,462.26

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Solution

The fourth proportional to 266,548.49, 399,478.27 and 199,462.26 is: 298,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,548.49 : 399,478.27 = 199,462.26 : x
  2. Step 2: Convert to fraction form
    266,548.49/399,478.27 = 199,462.26/x
  3. Step 3: Cross multiply
    266,548.49x = 399,478.27 × 199,462.26
  4. Step 4: Simplify right side
    266,548.49x = 79,680,838,555.09
  5. Step 5: Solve for x
    x = 79,680,838,555.09/266,548.49
  6. Step 6: Final answer
    x = 298,935.63

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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.