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Finding the Fourth Proportional to 269,706.41, 372,182.24 and 154,904.30

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Solution

The fourth proportional to 269,706.41, 372,182.24 and 154,904.30 is: 213,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,706.41 : 372,182.24 = 154,904.30 : x
  2. Step 2: Convert to fraction form
    269,706.41/372,182.24 = 154,904.30/x
  3. Step 3: Cross multiply
    269,706.41x = 372,182.24 × 154,904.30
  4. Step 4: Simplify right side
    269,706.41x = 57,652,628,585.11
  5. Step 5: Solve for x
    x = 57,652,628,585.11/269,706.41
  6. Step 6: Final answer
    x = 213,760.69

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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.