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Finding the Fourth Proportional to 570,755.36, 856,219.44 and 196,689.44

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Solution

The fourth proportional to 570,755.36, 856,219.44 and 196,689.44 is: 295,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,755.36 : 856,219.44 = 196,689.44 : x
  2. Step 2: Convert to fraction form
    570,755.36/856,219.44 = 196,689.44/x
  3. Step 3: Cross multiply
    570,755.36x = 856,219.44 × 196,689.44
  4. Step 4: Simplify right side
    570,755.36x = 168,409,322,170.71
  5. Step 5: Solve for x
    x = 168,409,322,170.71/570,755.36
  6. Step 6: Final answer
    x = 295,063.93

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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.