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Finding the Fourth Proportional to 266,570.26, 399,510.94 and 199,484.04

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Solution

The fourth proportional to 266,570.26, 399,510.94 and 199,484.04 is: 298,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,570.26 : 399,510.94 = 199,484.04 : x
  2. Step 2: Convert to fraction form
    266,570.26/399,510.94 = 199,484.04/x
  3. Step 3: Cross multiply
    266,570.26x = 399,510.94 × 199,484.04
  4. Step 4: Simplify right side
    266,570.26x = 79,696,056,335.40
  5. Step 5: Solve for x
    x = 79,696,056,335.40/266,570.26
  6. Step 6: Final answer
    x = 298,968.30

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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.