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Finding the Fourth Proportional to 395,734.94, 592,183.45 and 342,609.63

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Solution

The fourth proportional to 395,734.94, 592,183.45 and 342,609.63 is: 512,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,734.94 : 592,183.45 = 342,609.63 : x
  2. Step 2: Convert to fraction form
    395,734.94/592,183.45 = 342,609.63/x
  3. Step 3: Cross multiply
    395,734.94x = 592,183.45 × 342,609.63
  4. Step 4: Simplify right side
    395,734.94x = 202,887,750,983.58
  5. Step 5: Solve for x
    x = 202,887,750,983.58/395,734.94
  6. Step 6: Final answer
    x = 512,685.97

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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.