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Finding the Fourth Proportional to 433,949.88, 650,986.44 and 134,454

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Solution

The fourth proportional to 433,949.88, 650,986.44 and 134,454 is: 201,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,949.88 : 650,986.44 = 134,454 : x
  2. Step 2: Convert to fraction form
    433,949.88/650,986.44 = 134,454/x
  3. Step 3: Cross multiply
    433,949.88x = 650,986.44 × 134,454
  4. Step 4: Simplify right side
    433,949.88x = 87,527,730,803.76
  5. Step 5: Solve for x
    x = 87,527,730,803.76/433,949.88
  6. Step 6: Final answer
    x = 201,700.09

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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.