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Finding the Fourth Proportional to 434,570.40, 651,855.60 and 135,048.60

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Solution

The fourth proportional to 434,570.40, 651,855.60 and 135,048.60 is: 202,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.40 : 651,855.60 = 135,048.60 : x
  2. Step 2: Convert to fraction form
    434,570.40/651,855.60 = 135,048.60/x
  3. Step 3: Cross multiply
    434,570.40x = 651,855.60 × 135,048.60
  4. Step 4: Simplify right side
    434,570.40x = 88,032,186,182.16
  5. Step 5: Solve for x
    x = 88,032,186,182.16/434,570.40
  6. Step 6: Final answer
    x = 202,572.90

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