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Finding the Fourth Proportional to 252,902.70, 379,293.30 and 146,055.60

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Solution

The fourth proportional to 252,902.70, 379,293.30 and 146,055.60 is: 219,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,902.70 : 379,293.30 = 146,055.60 : x
  2. Step 2: Convert to fraction form
    252,902.70/379,293.30 = 146,055.60/x
  3. Step 3: Cross multiply
    252,902.70x = 379,293.30 × 146,055.60
  4. Step 4: Simplify right side
    252,902.70x = 55,397,910,507.48
  5. Step 5: Solve for x
    x = 55,397,910,507.48/252,902.70
  6. Step 6: Final answer
    x = 219,048.32

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1.5x scale

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.