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Finding the Fourth Proportional to 347,740.60, 521,708.10 and 170,253.40

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Solution

The fourth proportional to 347,740.60, 521,708.10 and 170,253.40 is: 255,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,740.60 : 521,708.10 = 170,253.40 : x
  2. Step 2: Convert to fraction form
    347,740.60/521,708.10 = 170,253.40/x
  3. Step 3: Cross multiply
    347,740.60x = 521,708.10 × 170,253.40
  4. Step 4: Simplify right side
    347,740.60x = 88,822,577,832.54
  5. Step 5: Solve for x
    x = 88,822,577,832.54/347,740.60
  6. Step 6: Final answer
    x = 255,427.69

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