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Finding the Fourth Proportional to 543,352.85, 749,789.33 and 301,616.33

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Solution

The fourth proportional to 543,352.85, 749,789.33 and 301,616.33 is: 416,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,352.85 : 749,789.33 = 301,616.33 : x
  2. Step 2: Convert to fraction form
    543,352.85/749,789.33 = 301,616.33/x
  3. Step 3: Cross multiply
    543,352.85x = 749,789.33 × 301,616.33
  4. Step 4: Simplify right side
    543,352.85x = 226,148,702,992.85
  5. Step 5: Solve for x
    x = 226,148,702,992.85/543,352.85
  6. Step 6: Final answer
    x = 416,209.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.