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Finding the Fourth Proportional to 471,000.27, 649,974.27 and 256,135.72

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Solution

The fourth proportional to 471,000.27, 649,974.27 and 256,135.72 is: 353,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,000.27 : 649,974.27 = 256,135.72 : x
  2. Step 2: Convert to fraction form
    471,000.27/649,974.27 = 256,135.72/x
  3. Step 3: Cross multiply
    471,000.27x = 649,974.27 × 256,135.72
  4. Step 4: Simplify right side
    471,000.27x = 166,481,628,182.20
  5. Step 5: Solve for x
    x = 166,481,628,182.20/471,000.27
  6. Step 6: Final answer
    x = 353,463.98

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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.