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Finding the Fourth Proportional to 272,612.66, 376,179.09 and 201,031.22

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Solution

The fourth proportional to 272,612.66, 376,179.09 and 201,031.22 is: 277,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,612.66 : 376,179.09 = 201,031.22 : x
  2. Step 2: Convert to fraction form
    272,612.66/376,179.09 = 201,031.22/x
  3. Step 3: Cross multiply
    272,612.66x = 376,179.09 × 201,031.22
  4. Step 4: Simplify right side
    272,612.66x = 75,623,741,401.19
  5. Step 5: Solve for x
    x = 75,623,741,401.19/272,612.66
  6. Step 6: Final answer
    x = 277,403.63

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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.