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Finding the Fourth Proportional to 367,046.70, 550,570.05 and 255,072.30

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Solution

The fourth proportional to 367,046.70, 550,570.05 and 255,072.30 is: 382,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,046.70 : 550,570.05 = 255,072.30 : x
  2. Step 2: Convert to fraction form
    367,046.70/550,570.05 = 255,072.30/x
  3. Step 3: Cross multiply
    367,046.70x = 550,570.05 × 255,072.30
  4. Step 4: Simplify right side
    367,046.70x = 140,435,168,964.62
  5. Step 5: Solve for x
    x = 140,435,168,964.62/367,046.70
  6. Step 6: Final answer
    x = 382,608.45

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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.