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Finding the Fourth Proportional to 262,612.62, 362,400.64 and 147,890.80

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Solution

The fourth proportional to 262,612.62, 362,400.64 and 147,890.80 is: 204,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,612.62 : 362,400.64 = 147,890.80 : x
  2. Step 2: Convert to fraction form
    262,612.62/362,400.64 = 147,890.80/x
  3. Step 3: Cross multiply
    262,612.62x = 362,400.64 × 147,890.80
  4. Step 4: Simplify right side
    262,612.62x = 53,595,720,570.11
  5. Step 5: Solve for x
    x = 53,595,720,570.11/262,612.62
  6. Step 6: Final answer
    x = 204,086.61

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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.