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Finding the Fourth Proportional to 262,711.42, 362,401.66 and 160,786.28

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Solution

The fourth proportional to 262,711.42, 362,401.66 and 160,786.28 is: 221,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,711.42 : 362,401.66 = 160,786.28 : x
  2. Step 2: Convert to fraction form
    262,711.42/362,401.66 = 160,786.28/x
  3. Step 3: Cross multiply
    262,711.42x = 362,401.66 × 160,786.28
  4. Step 4: Simplify right side
    262,711.42x = 58,269,214,777.22
  5. Step 5: Solve for x
    x = 58,269,214,777.22/262,711.42
  6. Step 6: Final answer
    x = 221,799.32

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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.