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Finding the Fourth Proportional to 510,895.68, 765,555.12 and 323,513.52

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Solution

The fourth proportional to 510,895.68, 765,555.12 and 323,513.52 is: 484,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,895.68 : 765,555.12 = 323,513.52 : x
  2. Step 2: Convert to fraction form
    510,895.68/765,555.12 = 323,513.52/x
  3. Step 3: Cross multiply
    510,895.68x = 765,555.12 × 323,513.52
  4. Step 4: Simplify right side
    510,895.68x = 247,667,431,625.22
  5. Step 5: Solve for x
    x = 247,667,431,625.22/510,895.68
  6. Step 6: Final answer
    x = 484,771.04

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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.