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Finding the Fourth Proportional to 543,215.97, 749,577.24 and 301,508.73

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Solution

The fourth proportional to 543,215.97, 749,577.24 and 301,508.73 is: 416,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,215.97 : 749,577.24 = 301,508.73 : x
  2. Step 2: Convert to fraction form
    543,215.97/749,577.24 = 301,508.73/x
  3. Step 3: Cross multiply
    543,215.97x = 749,577.24 × 301,508.73
  4. Step 4: Simplify right side
    543,215.97x = 226,004,081,669.31
  5. Step 5: Solve for x
    x = 226,004,081,669.31/543,215.97
  6. Step 6: Final answer
    x = 416,048.30

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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.