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Finding the Fourth Proportional to 300,881.03, 415,219.10 and 164,912.00

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Solution

The fourth proportional to 300,881.03, 415,219.10 and 164,912.00 is: 227,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,881.03 : 415,219.10 = 164,912.00 : x
  2. Step 2: Convert to fraction form
    300,881.03/415,219.10 = 164,912.00/x
  3. Step 3: Cross multiply
    300,881.03x = 415,219.10 × 164,912.00
  4. Step 4: Simplify right side
    300,881.03x = 68,474,609,318.54
  5. Step 5: Solve for x
    x = 68,474,609,318.54/300,881.03
  6. Step 6: Final answer
    x = 227,580.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.