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Finding the Fourth Proportional to 451,482.46, 676,629.55 and 251,896.84

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Solution

The fourth proportional to 451,482.46, 676,629.55 and 251,896.84 is: 377,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,482.46 : 676,629.55 = 251,896.84 : x
  2. Step 2: Convert to fraction form
    451,482.46/676,629.55 = 251,896.84/x
  3. Step 3: Cross multiply
    451,482.46x = 676,629.55 × 251,896.84
  4. Step 4: Simplify right side
    451,482.46x = 170,440,844,118.92
  5. Step 5: Solve for x
    x = 170,440,844,118.92/451,482.46
  6. Step 6: Final answer
    x = 377,513.77

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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.