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Finding the Fourth Proportional to 262,319.58, 361,993.12 and 147,604.55

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Solution

The fourth proportional to 262,319.58, 361,993.12 and 147,604.55 is: 203,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,319.58 : 361,993.12 = 147,604.55 : x
  2. Step 2: Convert to fraction form
    262,319.58/361,993.12 = 147,604.55/x
  3. Step 3: Cross multiply
    262,319.58x = 361,993.12 × 147,604.55
  4. Step 4: Simplify right side
    262,319.58x = 53,431,829,401.72
  5. Step 5: Solve for x
    x = 53,431,829,401.72/262,319.58
  6. Step 6: Final answer
    x = 203,689.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.