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Finding the Fourth Proportional to 395,741.55, 592,193.39 and 342,616.26

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Solution

The fourth proportional to 395,741.55, 592,193.39 and 342,616.26 is: 512,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,741.55 : 592,193.39 = 342,616.26 : x
  2. Step 2: Convert to fraction form
    395,741.55/592,193.39 = 342,616.26/x
  3. Step 3: Cross multiply
    395,741.55x = 592,193.39 × 342,616.26
  4. Step 4: Simplify right side
    395,741.55x = 202,895,082,765.44
  5. Step 5: Solve for x
    x = 202,895,082,765.44/395,741.55
  6. Step 6: Final answer
    x = 512,695.93

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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.