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Finding the Fourth Proportional to 383,825.73, 529,677.96 and 211,754.39

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Solution

The fourth proportional to 383,825.73, 529,677.96 and 211,754.39 is: 292,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,825.73 : 529,677.96 = 211,754.39 : x
  2. Step 2: Convert to fraction form
    383,825.73/529,677.96 = 211,754.39/x
  3. Step 3: Cross multiply
    383,825.73x = 529,677.96 × 211,754.39
  4. Step 4: Simplify right side
    383,825.73x = 112,161,633,316.24
  5. Step 5: Solve for x
    x = 112,161,633,316.24/383,825.73
  6. Step 6: Final answer
    x = 292,220.20

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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.