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Finding the Fourth Proportional to 550,734.30, 825,942.60 and 151,388.10

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Solution

The fourth proportional to 550,734.30, 825,942.60 and 151,388.10 is: 227,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,734.30 : 825,942.60 = 151,388.10 : x
  2. Step 2: Convert to fraction form
    550,734.30/825,942.60 = 151,388.10/x
  3. Step 3: Cross multiply
    550,734.30x = 825,942.60 × 151,388.10
  4. Step 4: Simplify right side
    550,734.30x = 125,037,880,923.06
  5. Step 5: Solve for x
    x = 125,037,880,923.06/550,734.30
  6. Step 6: Final answer
    x = 227,038.48

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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.