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Finding the Fourth Proportional to 357,384.60, 493,168.32 and 196,238.52

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Solution

The fourth proportional to 357,384.60, 493,168.32 and 196,238.52 is: 270,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,384.60 : 493,168.32 = 196,238.52 : x
  2. Step 2: Convert to fraction form
    357,384.60/493,168.32 = 196,238.52/x
  3. Step 3: Cross multiply
    357,384.60x = 493,168.32 × 196,238.52
  4. Step 4: Simplify right side
    357,384.60x = 96,778,621,227.69
  5. Step 5: Solve for x
    x = 96,778,621,227.69/357,384.60
  6. Step 6: Final answer
    x = 270,796.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.