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Finding the Fourth Proportional to 550,527.30, 825,867.96 and 171,475.56

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Solution

The fourth proportional to 550,527.30, 825,867.96 and 171,475.56 is: 257,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,527.30 : 825,867.96 = 171,475.56 : x
  2. Step 2: Convert to fraction form
    550,527.30/825,867.96 = 171,475.56/x
  3. Step 3: Cross multiply
    550,527.30x = 825,867.96 × 171,475.56
  4. Step 4: Simplify right side
    550,527.30x = 141,616,170,927.06
  5. Step 5: Solve for x
    x = 141,616,170,927.06/550,527.30
  6. Step 6: Final answer
    x = 257,237.33

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Why These Related Problems?

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