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Finding the Fourth Proportional to 511,655.55, 706,279.20 and 384,699.93

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Solution

The fourth proportional to 511,655.55, 706,279.20 and 384,699.93 is: 531,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,655.55 : 706,279.20 = 384,699.93 : x
  2. Step 2: Convert to fraction form
    511,655.55/706,279.20 = 384,699.93/x
  3. Step 3: Cross multiply
    511,655.55x = 706,279.20 × 384,699.93
  4. Step 4: Simplify right side
    511,655.55x = 271,705,558,800.46
  5. Step 5: Solve for x
    x = 271,705,558,800.46/511,655.55
  6. Step 6: Final answer
    x = 531,032.17

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