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Finding the Fourth Proportional to 655,185.84, 983,019.12 and 276,201.96

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Solution

The fourth proportional to 655,185.84, 983,019.12 and 276,201.96 is: 414,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,185.84 : 983,019.12 = 276,201.96 : x
  2. Step 2: Convert to fraction form
    655,185.84/983,019.12 = 276,201.96/x
  3. Step 3: Cross multiply
    655,185.84x = 983,019.12 × 276,201.96
  4. Step 4: Simplify right side
    655,185.84x = 271,511,807,661.48
  5. Step 5: Solve for x
    x = 271,511,807,661.48/655,185.84
  6. Step 6: Final answer
    x = 414,404.27

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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.