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Finding the Fourth Proportional to 395,194.28, 592,790.54 and 305,367.62

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Solution

The fourth proportional to 395,194.28, 592,790.54 and 305,367.62 is: 458,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,194.28 : 592,790.54 = 305,367.62 : x
  2. Step 2: Convert to fraction form
    395,194.28/592,790.54 = 305,367.62/x
  3. Step 3: Cross multiply
    395,194.28x = 592,790.54 × 305,367.62
  4. Step 4: Simplify right side
    395,194.28x = 181,019,031,867.52
  5. Step 5: Solve for x
    x = 181,019,031,867.52/395,194.28
  6. Step 6: Final answer
    x = 458,050.74

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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.