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Finding the Fourth Proportional to 269,554.56, 403,790.40 and 134,210.88

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Solution

The fourth proportional to 269,554.56, 403,790.40 and 134,210.88 is: 201,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,554.56 : 403,790.40 = 134,210.88 : x
  2. Step 2: Convert to fraction form
    269,554.56/403,790.40 = 134,210.88/x
  3. Step 3: Cross multiply
    269,554.56x = 403,790.40 × 134,210.88
  4. Step 4: Simplify right side
    269,554.56x = 54,193,064,919.55
  5. Step 5: Solve for x
    x = 54,193,064,919.55/269,554.56
  6. Step 6: Final answer
    x = 201,046.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.