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Finding the Fourth Proportional to 371,266.56, 512,348.13 and 201,500.64

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Solution

The fourth proportional to 371,266.56, 512,348.13 and 201,500.64 is: 278,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,266.56 : 512,348.13 = 201,500.64 : x
  2. Step 2: Convert to fraction form
    371,266.56/512,348.13 = 201,500.64/x
  3. Step 3: Cross multiply
    371,266.56x = 512,348.13 × 201,500.64
  4. Step 4: Simplify right side
    371,266.56x = 103,238,476,097.80
  5. Step 5: Solve for x
    x = 103,238,476,097.80/371,266.56
  6. Step 6: Final answer
    x = 278,071.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.