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Finding the Fourth Proportional to 433,586.40, 650,476.80 and 134,080.80

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Solution

The fourth proportional to 433,586.40, 650,476.80 and 134,080.80 is: 201,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,586.40 : 650,476.80 = 134,080.80 : x
  2. Step 2: Convert to fraction form
    433,586.40/650,476.80 = 134,080.80/x
  3. Step 3: Cross multiply
    433,586.40x = 650,476.80 × 134,080.80
  4. Step 4: Simplify right side
    433,586.40x = 87,216,449,725.44
  5. Step 5: Solve for x
    x = 87,216,449,725.44/433,586.40
  6. Step 6: Final answer
    x = 201,151.26

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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.