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Finding the Fourth Proportional to 366,152, 505,297.44 and 207,176

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Solution

The fourth proportional to 366,152, 505,297.44 and 207,176 is: 285,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,152 : 505,297.44 = 207,176 : x
  2. Step 2: Convert to fraction form
    366,152/505,297.44 = 207,176/x
  3. Step 3: Cross multiply
    366,152x = 505,297.44 × 207,176
  4. Step 4: Simplify right side
    366,152x = 104,685,502,429.44
  5. Step 5: Solve for x
    x = 104,685,502,429.44/366,152
  6. Step 6: Final answer
    x = 285,907.23

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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.