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Finding the Fourth Proportional to 456,998.53, 685,050.37 and 190,835.16

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Solution

The fourth proportional to 456,998.53, 685,050.37 and 190,835.16 is: 286,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,998.53 : 685,050.37 = 190,835.16 : x
  2. Step 2: Convert to fraction form
    456,998.53/685,050.37 = 190,835.16/x
  3. Step 3: Cross multiply
    456,998.53x = 685,050.37 × 190,835.16
  4. Step 4: Simplify right side
    456,998.53x = 130,731,696,967.01
  5. Step 5: Solve for x
    x = 130,731,696,967.01/456,998.53
  6. Step 6: Final answer
    x = 286,065.90

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