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Finding the Fourth Proportional to 469,135.63, 704,678.28 and 379,279.90

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Solution

The fourth proportional to 469,135.63, 704,678.28 and 379,279.90 is: 569,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,135.63 : 704,678.28 = 379,279.90 : x
  2. Step 2: Convert to fraction form
    469,135.63/704,678.28 = 379,279.90/x
  3. Step 3: Cross multiply
    469,135.63x = 704,678.28 × 379,279.90
  4. Step 4: Simplify right side
    469,135.63x = 267,270,307,570.57
  5. Step 5: Solve for x
    x = 267,270,307,570.57/469,135.63
  6. Step 6: Final answer
    x = 569,707.97

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