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Finding the Fourth Proportional to 236,574.40, 353,997.60 and 174,366.40

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Solution

The fourth proportional to 236,574.40, 353,997.60 and 174,366.40 is: 260,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,574.40 : 353,997.60 = 174,366.40 : x
  2. Step 2: Convert to fraction form
    236,574.40/353,997.60 = 174,366.40/x
  3. Step 3: Cross multiply
    236,574.40x = 353,997.60 × 174,366.40
  4. Step 4: Simplify right side
    236,574.40x = 61,725,287,120.64
  5. Step 5: Solve for x
    x = 61,725,287,120.64/236,574.40
  6. Step 6: Final answer
    x = 260,912.79

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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.