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Finding the Fourth Proportional to 395,289.72, 592,755.30 and 170,543.88

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Solution

The fourth proportional to 395,289.72, 592,755.30 and 170,543.88 is: 255,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,289.72 : 592,755.30 = 170,543.88 : x
  2. Step 2: Convert to fraction form
    395,289.72/592,755.30 = 170,543.88/x
  3. Step 3: Cross multiply
    395,289.72x = 592,755.30 × 170,543.88
  4. Step 4: Simplify right side
    395,289.72x = 101,090,788,752.56
  5. Step 5: Solve for x
    x = 101,090,788,752.56/395,289.72
  6. Step 6: Final answer
    x = 255,738.47

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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.