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Finding the Fourth Proportional to 673,596.86, 1,010,357.01 and 407,285.87

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Solution

The fourth proportional to 673,596.86, 1,010,357.01 and 407,285.87 is: 610,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,596.86 : 1,010,357.01 = 407,285.87 : x
  2. Step 2: Convert to fraction form
    673,596.86/1,010,357.01 = 407,285.87/x
  3. Step 3: Cross multiply
    673,596.86x = 1,010,357.01 × 407,285.87
  4. Step 4: Simplify right side
    673,596.86x = 411,504,128,776.66
  5. Step 5: Solve for x
    x = 411,504,128,776.66/673,596.86
  6. Step 6: Final answer
    x = 610,905.66

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