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Finding the Fourth Proportional to 570,682.26, 856,338.44 and 318,104.96

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Solution

The fourth proportional to 570,682.26, 856,338.44 and 318,104.96 is: 477,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,682.26 : 856,338.44 = 318,104.96 : x
  2. Step 2: Convert to fraction form
    570,682.26/856,338.44 = 318,104.96/x
  3. Step 3: Cross multiply
    570,682.26x = 856,338.44 × 318,104.96
  4. Step 4: Simplify right side
    570,682.26x = 272,405,499,330.45
  5. Step 5: Solve for x
    x = 272,405,499,330.45/570,682.26
  6. Step 6: Final answer
    x = 477,333.04

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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.