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Finding the Fourth Proportional to 859,676.27, 1,186,299 and 477,680.27

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Solution

The fourth proportional to 859,676.27, 1,186,299 and 477,680.27 is: 659,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,676.27 : 1,186,299 = 477,680.27 : x
  2. Step 2: Convert to fraction form
    859,676.27/1,186,299 = 477,680.27/x
  3. Step 3: Cross multiply
    859,676.27x = 1,186,299 × 477,680.27
  4. Step 4: Simplify right side
    859,676.27x = 566,671,626,620.73
  5. Step 5: Solve for x
    x = 566,671,626,620.73/859,676.27
  6. Step 6: Final answer
    x = 659,168.63

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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.