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Finding the Fourth Proportional to 978,211.65, 1,467,317.48 and 978,211.65

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Solution

The fourth proportional to 978,211.65, 1,467,317.48 and 978,211.65 is: 1,467,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,211.65 : 1,467,317.48 = 978,211.65 : x
  2. Step 2: Convert to fraction form
    978,211.65/1,467,317.48 = 978,211.65/x
  3. Step 3: Cross multiply
    978,211.65x = 1,467,317.48 × 978,211.65
  4. Step 4: Simplify right side
    978,211.65x = 1,435,347,048,293.58
  5. Step 5: Solve for x
    x = 1,435,347,048,293.58/978,211.65
  6. Step 6: Final answer
    x = 1,467,317.48

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Why These Related Problems?

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