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Finding the Fourth Proportional to 543,244.24, 749,665.49 and 301,512.30

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Solution

The fourth proportional to 543,244.24, 749,665.49 and 301,512.30 is: 416,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,244.24 : 749,665.49 = 301,512.30 : x
  2. Step 2: Convert to fraction form
    543,244.24/749,665.49 = 301,512.30/x
  3. Step 3: Cross multiply
    543,244.24x = 749,665.49 × 301,512.30
  4. Step 4: Simplify right side
    543,244.24x = 226,033,366,120.53
  5. Step 5: Solve for x
    x = 226,033,366,120.53/543,244.24
  6. Step 6: Final answer
    x = 416,080.56

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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.