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Finding the Fourth Proportional to 433,950.88, 650,987.94 and 134,455

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Solution

The fourth proportional to 433,950.88, 650,987.94 and 134,455 is: 201,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,950.88 : 650,987.94 = 134,455 : x
  2. Step 2: Convert to fraction form
    433,950.88/650,987.94 = 134,455/x
  3. Step 3: Cross multiply
    433,950.88x = 650,987.94 × 134,455
  4. Step 4: Simplify right side
    433,950.88x = 87,528,583,472.70
  5. Step 5: Solve for x
    x = 87,528,583,472.70/433,950.88
  6. Step 6: Final answer
    x = 201,701.59

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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.