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Finding the Fourth Proportional to 371,197.44, 512,253.90 and 201,431.61

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Solution

The fourth proportional to 371,197.44, 512,253.90 and 201,431.61 is: 277,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,197.44 : 512,253.90 = 201,431.61 : x
  2. Step 2: Convert to fraction form
    371,197.44/512,253.90 = 201,431.61/x
  3. Step 3: Cross multiply
    371,197.44x = 512,253.90 × 201,431.61
  4. Step 4: Simplify right side
    371,197.44x = 103,184,127,805.78
  5. Step 5: Solve for x
    x = 103,184,127,805.78/371,197.44
  6. Step 6: Final answer
    x = 277,976.40

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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.