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Finding the Fourth Proportional to 262,528.74, 393,921.63 and 162,662.34

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Solution

The fourth proportional to 262,528.74, 393,921.63 and 162,662.34 is: 244,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,528.74 : 393,921.63 = 162,662.34 : x
  2. Step 2: Convert to fraction form
    262,528.74/393,921.63 = 162,662.34/x
  3. Step 3: Cross multiply
    262,528.74x = 393,921.63 × 162,662.34
  4. Step 4: Simplify right side
    262,528.74x = 64,076,214,112.41
  5. Step 5: Solve for x
    x = 64,076,214,112.41/262,528.74
  6. Step 6: Final answer
    x = 244,073.14

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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.