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Finding the Fourth Proportional to 273,000.64, 409,220.34 and 104,481.40

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Solution

The fourth proportional to 273,000.64, 409,220.34 and 104,481.40 is: 156,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,000.64 : 409,220.34 = 104,481.40 : x
  2. Step 2: Convert to fraction form
    273,000.64/409,220.34 = 104,481.40/x
  3. Step 3: Cross multiply
    273,000.64x = 409,220.34 × 104,481.40
  4. Step 4: Simplify right side
    273,000.64x = 42,755,914,031.68
  5. Step 5: Solve for x
    x = 42,755,914,031.68/273,000.64
  6. Step 6: Final answer
    x = 156,614.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.