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Finding the Fourth Proportional to 543,309.50, 749,729.60 and 301,573.04

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Solution

The fourth proportional to 543,309.50, 749,729.60 and 301,573.04 is: 416,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,309.50 : 749,729.60 = 301,573.04 : x
  2. Step 2: Convert to fraction form
    543,309.50/749,729.60 = 301,573.04/x
  3. Step 3: Cross multiply
    543,309.50x = 749,729.60 × 301,573.04
  4. Step 4: Simplify right side
    543,309.50x = 226,098,234,649.98
  5. Step 5: Solve for x
    x = 226,098,234,649.98/543,309.50
  6. Step 6: Final answer
    x = 416,149.97

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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.