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Finding the Fourth Proportional to 263,710.80, 395,760.60 and 174,934.80

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Solution

The fourth proportional to 263,710.80, 395,760.60 and 174,934.80 is: 262,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,710.80 : 395,760.60 = 174,934.80 : x
  2. Step 2: Convert to fraction form
    263,710.80/395,760.60 = 174,934.80/x
  3. Step 3: Cross multiply
    263,710.80x = 395,760.60 × 174,934.80
  4. Step 4: Simplify right side
    263,710.80x = 69,232,301,408.88
  5. Step 5: Solve for x
    x = 69,232,301,408.88/263,710.80
  6. Step 6: Final answer
    x = 262,531.16

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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.