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Finding the Fourth Proportional to 334,433.60, 501,650.40 and 156,958.55

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Solution

The fourth proportional to 334,433.60, 501,650.40 and 156,958.55 is: 235,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,433.60 : 501,650.40 = 156,958.55 : x
  2. Step 2: Convert to fraction form
    334,433.60/501,650.40 = 156,958.55/x
  3. Step 3: Cross multiply
    334,433.60x = 501,650.40 × 156,958.55
  4. Step 4: Simplify right side
    334,433.60x = 78,738,319,390.92
  5. Step 5: Solve for x
    x = 78,738,319,390.92/334,433.60
  6. Step 6: Final answer
    x = 235,437.83

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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.