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Finding the Fourth Proportional to 550,709.81, 825,914.35 and 151,255.63

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Solution

The fourth proportional to 550,709.81, 825,914.35 and 151,255.63 is: 226,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,709.81 : 825,914.35 = 151,255.63 : x
  2. Step 2: Convert to fraction form
    550,709.81/825,914.35 = 151,255.63/x
  3. Step 3: Cross multiply
    550,709.81x = 825,914.35 × 151,255.63
  4. Step 4: Simplify right side
    550,709.81x = 124,924,196,556.75
  5. Step 5: Solve for x
    x = 124,924,196,556.75/550,709.81
  6. Step 6: Final answer
    x = 226,842.15

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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.