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Finding the Fourth Proportional to 703,579.52, 970,958.40 and 401,767.04

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Solution

The fourth proportional to 703,579.52, 970,958.40 and 401,767.04 is: 554,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,579.52 : 970,958.40 = 401,767.04 : x
  2. Step 2: Convert to fraction form
    703,579.52/970,958.40 = 401,767.04/x
  3. Step 3: Cross multiply
    703,579.52x = 970,958.40 × 401,767.04
  4. Step 4: Simplify right side
    703,579.52x = 390,099,082,331.14
  5. Step 5: Solve for x
    x = 390,099,082,331.14/703,579.52
  6. Step 6: Final answer
    x = 554,449.17

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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.