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Finding the Fourth Proportional to 562,805.22, 776,748.58 and 345,144

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Solution

The fourth proportional to 562,805.22, 776,748.58 and 345,144 is: 476,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,805.22 : 776,748.58 = 345,144 : x
  2. Step 2: Convert to fraction form
    562,805.22/776,748.58 = 345,144/x
  3. Step 3: Cross multiply
    562,805.22x = 776,748.58 × 345,144
  4. Step 4: Simplify right side
    562,805.22x = 268,090,111,895.52
  5. Step 5: Solve for x
    x = 268,090,111,895.52/562,805.22
  6. Step 6: Final answer
    x = 476,346.17

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