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Finding the Fourth Proportional to 608,959.84, 913,527.20 and 188,268.56

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Solution

The fourth proportional to 608,959.84, 913,527.20 and 188,268.56 is: 282,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,959.84 : 913,527.20 = 188,268.56 : x
  2. Step 2: Convert to fraction form
    608,959.84/913,527.20 = 188,268.56/x
  3. Step 3: Cross multiply
    608,959.84x = 913,527.20 × 188,268.56
  4. Step 4: Simplify right side
    608,959.84x = 171,988,450,464.83
  5. Step 5: Solve for x
    x = 171,988,450,464.83/608,959.84
  6. Step 6: Final answer
    x = 282,429.87

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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.