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Finding the Fourth Proportional to 286,586.58, 395,072.66 and 200,277.60

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Solution

The fourth proportional to 286,586.58, 395,072.66 and 200,277.60 is: 276,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,586.58 : 395,072.66 = 200,277.60 : x
  2. Step 2: Convert to fraction form
    286,586.58/395,072.66 = 200,277.60/x
  3. Step 3: Cross multiply
    286,586.58x = 395,072.66 × 200,277.60
  4. Step 4: Simplify right side
    286,586.58x = 79,124,204,170.42
  5. Step 5: Solve for x
    x = 79,124,204,170.42/286,586.58
  6. Step 6: Final answer
    x = 276,091.80

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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.