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Finding the Fourth Proportional to 263,744.37, 363,959.66 and 154,846.89

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Solution

The fourth proportional to 263,744.37, 363,959.66 and 154,846.89 is: 213,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,744.37 : 363,959.66 = 154,846.89 : x
  2. Step 2: Convert to fraction form
    263,744.37/363,959.66 = 154,846.89/x
  3. Step 3: Cross multiply
    263,744.37x = 363,959.66 × 154,846.89
  4. Step 4: Simplify right side
    263,744.37x = 56,358,020,662.22
  5. Step 5: Solve for x
    x = 56,358,020,662.22/263,744.37
  6. Step 6: Final answer
    x = 213,684.26

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1.5x scale

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.