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Finding the Fourth Proportional to 456,362.51, 629,754.40 and 252,401.52

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Solution

The fourth proportional to 456,362.51, 629,754.40 and 252,401.52 is: 348,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,362.51 : 629,754.40 = 252,401.52 : x
  2. Step 2: Convert to fraction form
    456,362.51/629,754.40 = 252,401.52/x
  3. Step 3: Cross multiply
    456,362.51x = 629,754.40 × 252,401.52
  4. Step 4: Simplify right side
    456,362.51x = 158,950,965,501.64
  5. Step 5: Solve for x
    x = 158,950,965,501.64/456,362.51
  6. Step 6: Final answer
    x = 348,299.79

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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.