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Finding the Fourth Proportional to 395,231.40, 591,464.70 and 362,053.80

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Solution

The fourth proportional to 395,231.40, 591,464.70 and 362,053.80 is: 541,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,231.40 : 591,464.70 = 362,053.80 : x
  2. Step 2: Convert to fraction form
    395,231.40/591,464.70 = 362,053.80/x
  3. Step 3: Cross multiply
    395,231.40x = 591,464.70 × 362,053.80
  4. Step 4: Simplify right side
    395,231.40x = 214,142,042,200.86
  5. Step 5: Solve for x
    x = 214,142,042,200.86/395,231.40
  6. Step 6: Final answer
    x = 541,814.35

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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.