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Finding the Fourth Proportional to 371,213.22, 512,274.56 and 201,447.34

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Solution

The fourth proportional to 371,213.22, 512,274.56 and 201,447.34 is: 277,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,213.22 : 512,274.56 = 201,447.34 : x
  2. Step 2: Convert to fraction form
    371,213.22/512,274.56 = 201,447.34/x
  3. Step 3: Cross multiply
    371,213.22x = 512,274.56 × 201,447.34
  4. Step 4: Simplify right side
    371,213.22x = 103,196,347,461.67
  5. Step 5: Solve for x
    x = 103,196,347,461.67/371,213.22
  6. Step 6: Final answer
    x = 277,997.50

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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.