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Finding the Fourth Proportional to 417,581.48, 626,407.36 and 133,312.59

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Solution

The fourth proportional to 417,581.48, 626,407.36 and 133,312.59 is: 199,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,581.48 : 626,407.36 = 133,312.59 : x
  2. Step 2: Convert to fraction form
    417,581.48/626,407.36 = 133,312.59/x
  3. Step 3: Cross multiply
    417,581.48x = 626,407.36 × 133,312.59
  4. Step 4: Simplify right side
    417,581.48x = 83,507,987,223.38
  5. Step 5: Solve for x
    x = 83,507,987,223.38/417,581.48
  6. Step 6: Final answer
    x = 199,980.10

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