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Finding the Fourth Proportional to 293,176.40, 439,764.60 and 263,627.60

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Solution

The fourth proportional to 293,176.40, 439,764.60 and 263,627.60 is: 395,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,176.40 : 439,764.60 = 263,627.60 : x
  2. Step 2: Convert to fraction form
    293,176.40/439,764.60 = 263,627.60/x
  3. Step 3: Cross multiply
    293,176.40x = 439,764.60 × 263,627.60
  4. Step 4: Simplify right side
    293,176.40x = 115,934,086,062.96
  5. Step 5: Solve for x
    x = 115,934,086,062.96/293,176.40
  6. Step 6: Final answer
    x = 395,441.40

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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.