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Finding the Fourth Proportional to 235,635.60, 353,064.60 and 200,643.60

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Solution

The fourth proportional to 235,635.60, 353,064.60 and 200,643.60 is: 300,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,635.60 : 353,064.60 = 200,643.60 : x
  2. Step 2: Convert to fraction form
    235,635.60/353,064.60 = 200,643.60/x
  3. Step 3: Cross multiply
    235,635.60x = 353,064.60 × 200,643.60
  4. Step 4: Simplify right side
    235,635.60x = 70,840,152,376.56
  5. Step 5: Solve for x
    x = 70,840,152,376.56/235,635.60
  6. Step 6: Final answer
    x = 300,634.34

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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.