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Finding the Fourth Proportional to 451,759.33, 677,421.01 and 262,267.40

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Solution

The fourth proportional to 451,759.33, 677,421.01 and 262,267.40 is: 393,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,759.33 : 677,421.01 = 262,267.40 : x
  2. Step 2: Convert to fraction form
    451,759.33/677,421.01 = 262,267.40/x
  3. Step 3: Cross multiply
    451,759.33x = 677,421.01 × 262,267.40
  4. Step 4: Simplify right side
    451,759.33x = 177,665,448,035.96
  5. Step 5: Solve for x
    x = 177,665,448,035.96/451,759.33
  6. Step 6: Final answer
    x = 393,274.55

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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.