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Finding the Fourth Proportional to 474,704.29, 655,075.62 and 270,821.22

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Solution

The fourth proportional to 474,704.29, 655,075.62 and 270,821.22 is: 373,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,704.29 : 655,075.62 = 270,821.22 : x
  2. Step 2: Convert to fraction form
    474,704.29/655,075.62 = 270,821.22/x
  3. Step 3: Cross multiply
    474,704.29x = 655,075.62 × 270,821.22
  4. Step 4: Simplify right side
    474,704.29x = 177,408,376,144.12
  5. Step 5: Solve for x
    x = 177,408,376,144.12/474,704.29
  6. Step 6: Final answer
    x = 373,723.98

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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.