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Finding the Fourth Proportional to 304,220.88, 456,290.82 and 79,563.42

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Solution

The fourth proportional to 304,220.88, 456,290.82 and 79,563.42 is: 119,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,220.88 : 456,290.82 = 79,563.42 : x
  2. Step 2: Convert to fraction form
    304,220.88/456,290.82 = 79,563.42/x
  3. Step 3: Cross multiply
    304,220.88x = 456,290.82 × 79,563.42
  4. Step 4: Simplify right side
    304,220.88x = 36,304,058,153.80
  5. Step 5: Solve for x
    x = 36,304,058,153.80/304,220.88
  6. Step 6: Final answer
    x = 119,334.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.