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Finding the Fourth Proportional to 335,143.60, 462,470.68 and 197,300.63

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Solution

The fourth proportional to 335,143.60, 462,470.68 and 197,300.63 is: 272,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,143.60 : 462,470.68 = 197,300.63 : x
  2. Step 2: Convert to fraction form
    335,143.60/462,470.68 = 197,300.63/x
  3. Step 3: Cross multiply
    335,143.60x = 462,470.68 × 197,300.63
  4. Step 4: Simplify right side
    335,143.60x = 91,245,757,923.33
  5. Step 5: Solve for x
    x = 91,245,757,923.33/335,143.60
  6. Step 6: Final answer
    x = 272,258.69

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Why These Related Problems?

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