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Finding the Fourth Proportional to 598,358.85, 825,674.63 and 368,879.37

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Solution

The fourth proportional to 598,358.85, 825,674.63 and 368,879.37 is: 509,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,358.85 : 825,674.63 = 368,879.37 : x
  2. Step 2: Convert to fraction form
    598,358.85/825,674.63 = 368,879.37/x
  3. Step 3: Cross multiply
    598,358.85x = 825,674.63 × 368,879.37
  4. Step 4: Simplify right side
    598,358.85x = 304,574,335,494.99
  5. Step 5: Solve for x
    x = 304,574,335,494.99/598,358.85
  6. Step 6: Final answer
    x = 509,016.18

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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.