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Finding the Fourth Proportional to 616,958.40, 925,534.80 and 196,276.80

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Solution

The fourth proportional to 616,958.40, 925,534.80 and 196,276.80 is: 294,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,958.40 : 925,534.80 = 196,276.80 : x
  2. Step 2: Convert to fraction form
    616,958.40/925,534.80 = 196,276.80/x
  3. Step 3: Cross multiply
    616,958.40x = 925,534.80 × 196,276.80
  4. Step 4: Simplify right side
    616,958.40x = 181,661,008,832.64
  5. Step 5: Solve for x
    x = 181,661,008,832.64/616,958.40
  6. Step 6: Final answer
    x = 294,446.12

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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.