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Finding the Fourth Proportional to 376,596.38, 519,576.59 and 213,230.60

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Solution

The fourth proportional to 376,596.38, 519,576.59 and 213,230.60 is: 294,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,596.38 : 519,576.59 = 213,230.60 : x
  2. Step 2: Convert to fraction form
    376,596.38/519,576.59 = 213,230.60/x
  3. Step 3: Cross multiply
    376,596.38x = 519,576.59 × 213,230.60
  4. Step 4: Simplify right side
    376,596.38x = 110,789,626,316.03
  5. Step 5: Solve for x
    x = 110,789,626,316.03/376,596.38
  6. Step 6: Final answer
    x = 294,186.65

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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.