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Finding the Fourth Proportional to 606,506.30, 909,747 and 269,455.58

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Solution

The fourth proportional to 606,506.30, 909,747 and 269,455.58 is: 404,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,506.30 : 909,747 = 269,455.58 : x
  2. Step 2: Convert to fraction form
    606,506.30/909,747 = 269,455.58/x
  3. Step 3: Cross multiply
    606,506.30x = 909,747 × 269,455.58
  4. Step 4: Simplify right side
    606,506.30x = 245,136,405,538.26
  5. Step 5: Solve for x
    x = 245,136,405,538.26/606,506.30
  6. Step 6: Final answer
    x = 404,177.84

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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.