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Finding the Fourth Proportional to 530,556.88, 794,798.52 and 280,895.44

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Solution

The fourth proportional to 530,556.88, 794,798.52 and 280,895.44 is: 420,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,556.88 : 794,798.52 = 280,895.44 : x
  2. Step 2: Convert to fraction form
    530,556.88/794,798.52 = 280,895.44/x
  3. Step 3: Cross multiply
    530,556.88x = 794,798.52 × 280,895.44
  4. Step 4: Simplify right side
    530,556.88x = 223,255,279,986.75
  5. Step 5: Solve for x
    x = 223,255,279,986.75/530,556.88
  6. Step 6: Final answer
    x = 420,794.24

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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.