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Finding the Fourth Proportional to 371,266.62, 512,348.43 and 201,500.75

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Solution

The fourth proportional to 371,266.62, 512,348.43 and 201,500.75 is: 278,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,266.62 : 512,348.43 = 201,500.75 : x
  2. Step 2: Convert to fraction form
    371,266.62/512,348.43 = 201,500.75/x
  3. Step 3: Cross multiply
    371,266.62x = 512,348.43 × 201,500.75
  4. Step 4: Simplify right side
    371,266.62x = 103,238,590,344.58
  5. Step 5: Solve for x
    x = 103,238,590,344.58/371,266.62
  6. Step 6: Final answer
    x = 278,071.30

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1.5x scale

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.