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Finding the Fourth Proportional to 1,668,927.48, 2,503,496.88 and 644,746.20

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Solution

The fourth proportional to 1,668,927.48, 2,503,496.88 and 644,746.20 is: 967,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,927.48 : 2,503,496.88 = 644,746.20 : x
  2. Step 2: Convert to fraction form
    1,668,927.48/2,503,496.88 = 644,746.20/x
  3. Step 3: Cross multiply
    1,668,927.48x = 2,503,496.88 × 644,746.20
  4. Step 4: Simplify right side
    1,668,927.48x = 1,614,120,100,091.86
  5. Step 5: Solve for x
    x = 1,614,120,100,091.86/1,668,927.48
  6. Step 6: Final answer
    x = 967,160.12

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