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Finding the Fourth Proportional to 510,055.20, 765,082.80 and 481,024.80

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Solution

The fourth proportional to 510,055.20, 765,082.80 and 481,024.80 is: 721,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,055.20 : 765,082.80 = 481,024.80 : x
  2. Step 2: Convert to fraction form
    510,055.20/765,082.80 = 481,024.80/x
  3. Step 3: Cross multiply
    510,055.20x = 765,082.80 × 481,024.80
  4. Step 4: Simplify right side
    510,055.20x = 368,023,800,853.44
  5. Step 5: Solve for x
    x = 368,023,800,853.44/510,055.20
  6. Step 6: Final answer
    x = 721,537.20

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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.