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Finding the Fourth Proportional to 265,244.06, 397,870.30 and 147,662.74

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Solution

The fourth proportional to 265,244.06, 397,870.30 and 147,662.74 is: 221,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,244.06 : 397,870.30 = 147,662.74 : x
  2. Step 2: Convert to fraction form
    265,244.06/397,870.30 = 147,662.74/x
  3. Step 3: Cross multiply
    265,244.06x = 397,870.30 × 147,662.74
  4. Step 4: Simplify right side
    265,244.06x = 58,750,618,662.62
  5. Step 5: Solve for x
    x = 58,750,618,662.62/265,244.06
  6. Step 6: Final answer
    x = 221,496.45

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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.