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Finding the Fourth Proportional to 262,234.40, 361,790.16 and 154,750.64

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Solution

The fourth proportional to 262,234.40, 361,790.16 and 154,750.64 is: 213,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,234.40 : 361,790.16 = 154,750.64 : x
  2. Step 2: Convert to fraction form
    262,234.40/361,790.16 = 154,750.64/x
  3. Step 3: Cross multiply
    262,234.40x = 361,790.16 × 154,750.64
  4. Step 4: Simplify right side
    262,234.40x = 55,987,258,805.70
  5. Step 5: Solve for x
    x = 55,987,258,805.70/262,234.40
  6. Step 6: Final answer
    x = 213,500.82

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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.