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Finding the Fourth Proportional to 366,059.45, 505,146.88 and 213,101.58

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Solution

The fourth proportional to 366,059.45, 505,146.88 and 213,101.58 is: 294,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,059.45 : 505,146.88 = 213,101.58 : x
  2. Step 2: Convert to fraction form
    366,059.45/505,146.88 = 213,101.58/x
  3. Step 3: Cross multiply
    366,059.45x = 505,146.88 × 213,101.58
  4. Step 4: Simplify right side
    366,059.45x = 107,647,600,420.75
  5. Step 5: Solve for x
    x = 107,647,600,420.75/366,059.45
  6. Step 6: Final answer
    x = 294,071.36

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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.