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Finding the Fourth Proportional to 570,910.66, 856,365.99 and 196,904.50

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Solution

The fourth proportional to 570,910.66, 856,365.99 and 196,904.50 is: 295,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,910.66 : 856,365.99 = 196,904.50 : x
  2. Step 2: Convert to fraction form
    570,910.66/856,365.99 = 196,904.50/x
  3. Step 3: Cross multiply
    570,910.66x = 856,365.99 × 196,904.50
  4. Step 4: Simplify right side
    570,910.66x = 168,622,317,077.96
  5. Step 5: Solve for x
    x = 168,622,317,077.96/570,910.66
  6. Step 6: Final answer
    x = 295,356.75

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Similar ratio
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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.