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Finding the Fourth Proportional to 404,796.30, 606,708.45 and 168,017.10

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Solution

The fourth proportional to 404,796.30, 606,708.45 and 168,017.10 is: 251,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,796.30 : 606,708.45 = 168,017.10 : x
  2. Step 2: Convert to fraction form
    404,796.30/606,708.45 = 168,017.10/x
  3. Step 3: Cross multiply
    404,796.30x = 606,708.45 × 168,017.10
  4. Step 4: Simplify right side
    404,796.30x = 101,937,394,314.50
  5. Step 5: Solve for x
    x = 101,937,394,314.50/404,796.30
  6. Step 6: Final answer
    x = 251,823.93

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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.