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Finding the Fourth Proportional to 368,440.20, 552,892.86 and 210,976.20

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Solution

The fourth proportional to 368,440.20, 552,892.86 and 210,976.20 is: 316,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,440.20 : 552,892.86 = 210,976.20 : x
  2. Step 2: Convert to fraction form
    368,440.20/552,892.86 = 210,976.20/x
  3. Step 3: Cross multiply
    368,440.20x = 552,892.86 × 210,976.20
  4. Step 4: Simplify right side
    368,440.20x = 116,647,234,609.93
  5. Step 5: Solve for x
    x = 116,647,234,609.93/368,440.20
  6. Step 6: Final answer
    x = 316,597.47

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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.