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Finding the Fourth Proportional to 262,824.48, 362,607.84 and 149,618.88

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Solution

The fourth proportional to 262,824.48, 362,607.84 and 149,618.88 is: 206,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,824.48 : 362,607.84 = 149,618.88 : x
  2. Step 2: Convert to fraction form
    262,824.48/362,607.84 = 149,618.88/x
  3. Step 3: Cross multiply
    262,824.48x = 362,607.84 × 149,618.88
  4. Step 4: Simplify right side
    262,824.48x = 54,252,978,900.02
  5. Step 5: Solve for x
    x = 54,252,978,900.02/262,824.48
  6. Step 6: Final answer
    x = 206,422.85

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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.