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Finding the Fourth Proportional to 440,355.03, 607,679.63 and 259,078.62

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Solution

The fourth proportional to 440,355.03, 607,679.63 and 259,078.62 is: 357,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,355.03 : 607,679.63 = 259,078.62 : x
  2. Step 2: Convert to fraction form
    440,355.03/607,679.63 = 259,078.62/x
  3. Step 3: Cross multiply
    440,355.03x = 607,679.63 × 259,078.62
  4. Step 4: Simplify right side
    440,355.03x = 157,436,795,608.72
  5. Step 5: Solve for x
    x = 157,436,795,608.72/440,355.03
  6. Step 6: Final answer
    x = 357,522.42

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1.5x scale

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.