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Finding the Fourth Proportional to 262,757.82, 359,979.55 and 252,917.76

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Solution

The fourth proportional to 262,757.82, 359,979.55 and 252,917.76 is: 346,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,757.82 : 359,979.55 = 252,917.76 : x
  2. Step 2: Convert to fraction form
    262,757.82/359,979.55 = 252,917.76/x
  3. Step 3: Cross multiply
    262,757.82x = 359,979.55 × 252,917.76
  4. Step 4: Simplify right side
    262,757.82x = 91,045,221,431.81
  5. Step 5: Solve for x
    x = 91,045,221,431.81/262,757.82
  6. Step 6: Final answer
    x = 346,498.62

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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.