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Finding the Fourth Proportional to 530,554.88, 794,795.52 and 280,893.44

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Solution

The fourth proportional to 530,554.88, 794,795.52 and 280,893.44 is: 420,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,554.88 : 794,795.52 = 280,893.44 : x
  2. Step 2: Convert to fraction form
    530,554.88/794,795.52 = 280,893.44/x
  3. Step 3: Cross multiply
    530,554.88x = 794,795.52 × 280,893.44
  4. Step 4: Simplify right side
    530,554.88x = 223,252,847,709.39
  5. Step 5: Solve for x
    x = 223,252,847,709.39/530,554.88
  6. Step 6: Final answer
    x = 420,791.24

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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.