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Finding the Fourth Proportional to 676,622.45, 933,739.71 and 366,525.75

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Solution

The fourth proportional to 676,622.45, 933,739.71 and 366,525.75 is: 505,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,622.45 : 933,739.71 = 366,525.75 : x
  2. Step 2: Convert to fraction form
    676,622.45/933,739.71 = 366,525.75/x
  3. Step 3: Cross multiply
    676,622.45x = 933,739.71 × 366,525.75
  4. Step 4: Simplify right side
    676,622.45x = 342,239,647,512.53
  5. Step 5: Solve for x
    x = 342,239,647,512.53/676,622.45
  6. Step 6: Final answer
    x = 505,805.93

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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.