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Finding the Fourth Proportional to 467,075, 644,566.06 and 255,107

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Solution

The fourth proportional to 467,075, 644,566.06 and 255,107 is: 352,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,075 : 644,566.06 = 255,107 : x
  2. Step 2: Convert to fraction form
    467,075/644,566.06 = 255,107/x
  3. Step 3: Cross multiply
    467,075x = 644,566.06 × 255,107
  4. Step 4: Simplify right side
    467,075x = 164,433,313,868.42
  5. Step 5: Solve for x
    x = 164,433,313,868.42/467,075
  6. Step 6: Final answer
    x = 352,049.06

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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.