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Finding the Fourth Proportional to 263,522.79, 395,677.89 and 259,586.19

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Solution

The fourth proportional to 263,522.79, 395,677.89 and 259,586.19 is: 389,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,522.79 : 395,677.89 = 259,586.19 : x
  2. Step 2: Convert to fraction form
    263,522.79/395,677.89 = 259,586.19/x
  3. Step 3: Cross multiply
    263,522.79x = 395,677.89 × 259,586.19
  4. Step 4: Simplify right side
    263,522.79x = 102,712,515,932.34
  5. Step 5: Solve for x
    x = 102,712,515,932.34/263,522.79
  6. Step 6: Final answer
    x = 389,767.11

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1.5x scale

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.