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Finding the Fourth Proportional to 510,062.20, 765,093.30 and 481,031.80

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Solution

The fourth proportional to 510,062.20, 765,093.30 and 481,031.80 is: 721,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,062.20 : 765,093.30 = 481,031.80 : x
  2. Step 2: Convert to fraction form
    510,062.20/765,093.30 = 481,031.80/x
  3. Step 3: Cross multiply
    510,062.20x = 765,093.30 × 481,031.80
  4. Step 4: Simplify right side
    510,062.20x = 368,034,207,266.94
  5. Step 5: Solve for x
    x = 368,034,207,266.94/510,062.20
  6. Step 6: Final answer
    x = 721,547.70

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Similar ratio
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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.