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Finding the Fourth Proportional to 453,674.70, 680,512.05 and 121,250.70

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Solution

The fourth proportional to 453,674.70, 680,512.05 and 121,250.70 is: 181,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,674.70 : 680,512.05 = 121,250.70 : x
  2. Step 2: Convert to fraction form
    453,674.70/680,512.05 = 121,250.70/x
  3. Step 3: Cross multiply
    453,674.70x = 680,512.05 × 121,250.70
  4. Step 4: Simplify right side
    453,674.70x = 82,512,562,420.94
  5. Step 5: Solve for x
    x = 82,512,562,420.94/453,674.70
  6. Step 6: Final answer
    x = 181,876.05

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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.