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Finding the Fourth Proportional to 550,351.64, 824,361.06 and 415,749.08

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Solution

The fourth proportional to 550,351.64, 824,361.06 and 415,749.08 is: 622,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,351.64 : 824,361.06 = 415,749.08 : x
  2. Step 2: Convert to fraction form
    550,351.64/824,361.06 = 415,749.08/x
  3. Step 3: Cross multiply
    550,351.64x = 824,361.06 × 415,749.08
  4. Step 4: Simplify right side
    550,351.64x = 342,727,352,282.83
  5. Step 5: Solve for x
    x = 342,727,352,282.83/550,351.64
  6. Step 6: Final answer
    x = 622,742.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.