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Finding the Fourth Proportional to 440,626.88, 608,051.12 and 259,297.04

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Solution

The fourth proportional to 440,626.88, 608,051.12 and 259,297.04 is: 357,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,626.88 : 608,051.12 = 259,297.04 : x
  2. Step 2: Convert to fraction form
    440,626.88/608,051.12 = 259,297.04/x
  3. Step 3: Cross multiply
    440,626.88x = 608,051.12 × 259,297.04
  4. Step 4: Simplify right side
    440,626.88x = 157,665,855,584.69
  5. Step 5: Solve for x
    x = 157,665,855,584.69/440,626.88
  6. Step 6: Final answer
    x = 357,821.69

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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.