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Finding the Fourth Proportional to 336,800.97, 505,200.04 and 137,074.01

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Solution

The fourth proportional to 336,800.97, 505,200.04 and 137,074.01 is: 205,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,800.97 : 505,200.04 = 137,074.01 : x
  2. Step 2: Convert to fraction form
    336,800.97/505,200.04 = 137,074.01/x
  3. Step 3: Cross multiply
    336,800.97x = 505,200.04 × 137,074.01
  4. Step 4: Simplify right side
    336,800.97x = 69,249,792,466.28
  5. Step 5: Solve for x
    x = 69,249,792,466.28/336,800.97
  6. Step 6: Final answer
    x = 205,610.43

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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.