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Finding the Fourth Proportional to 322,075.68, 480,944.64 and 263,028.48

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Solution

The fourth proportional to 322,075.68, 480,944.64 and 263,028.48 is: 392,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,075.68 : 480,944.64 = 263,028.48 : x
  2. Step 2: Convert to fraction form
    322,075.68/480,944.64 = 263,028.48/x
  3. Step 3: Cross multiply
    322,075.68x = 480,944.64 × 263,028.48
  4. Step 4: Simplify right side
    322,075.68x = 126,502,137,623.35
  5. Step 5: Solve for x
    x = 126,502,137,623.35/322,075.68
  6. Step 6: Final answer
    x = 392,771.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.