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Finding the Fourth Proportional to 655,674.48, 983,317.32 and 281,610

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Solution

The fourth proportional to 655,674.48, 983,317.32 and 281,610 is: 422,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,674.48 : 983,317.32 = 281,610 : x
  2. Step 2: Convert to fraction form
    655,674.48/983,317.32 = 281,610/x
  3. Step 3: Cross multiply
    655,674.48x = 983,317.32 × 281,610
  4. Step 4: Simplify right side
    655,674.48x = 276,911,990,485.20
  5. Step 5: Solve for x
    x = 276,911,990,485.20/655,674.48
  6. Step 6: Final answer
    x = 422,331.51

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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.