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Finding the Fourth Proportional to 259,019.70, 354,858.28 and 249,311.96

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Solution

The fourth proportional to 259,019.70, 354,858.28 and 249,311.96 is: 341,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,019.70 : 354,858.28 = 249,311.96 : x
  2. Step 2: Convert to fraction form
    259,019.70/354,858.28 = 249,311.96/x
  3. Step 3: Cross multiply
    259,019.70x = 354,858.28 × 249,311.96
  4. Step 4: Simplify right side
    259,019.70x = 88,470,413,309.03
  5. Step 5: Solve for x
    x = 88,470,413,309.03/259,019.70
  6. Step 6: Final answer
    x = 341,558.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.