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Finding the Fourth Proportional to 403,711,271.60, 605,850,342.60 and 173,845,324.40

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Solution

The fourth proportional to 403,711,271.60, 605,850,342.60 and 173,845,324.40 is: 260,890,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,271.60 : 605,850,342.60 = 173,845,324.40 : x
  2. Step 2: Convert to fraction form
    403,711,271.60/605,850,342.60 = 173,845,324.40/x
  3. Step 3: Cross multiply
    403,711,271.60x = 605,850,342.60 × 173,845,324.40
  4. Step 4: Simplify right side
    403,711,271.60x = 105,324,249,347,148,144
  5. Step 5: Solve for x
    x = 105,324,249,347,148,144/403,711,271.60
  6. Step 6: Final answer
    x = 260,890,038.89

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