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Finding the Fourth Proportional to 492,958.96, 680,283.81 and 266,604.46

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Solution

The fourth proportional to 492,958.96, 680,283.81 and 266,604.46 is: 367,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,958.96 : 680,283.81 = 266,604.46 : x
  2. Step 2: Convert to fraction form
    492,958.96/680,283.81 = 266,604.46/x
  3. Step 3: Cross multiply
    492,958.96x = 680,283.81 × 266,604.46
  4. Step 4: Simplify right side
    492,958.96x = 181,366,697,811.79
  5. Step 5: Solve for x
    x = 181,366,697,811.79/492,958.96
  6. Step 6: Final answer
    x = 367,914.40

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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.