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Finding the Fourth Proportional to 510,678.12, 765,894.16 and 226,211.39

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Solution

The fourth proportional to 510,678.12, 765,894.16 and 226,211.39 is: 339,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,678.12 : 765,894.16 = 226,211.39 : x
  2. Step 2: Convert to fraction form
    510,678.12/765,894.16 = 226,211.39/x
  3. Step 3: Cross multiply
    510,678.12x = 765,894.16 × 226,211.39
  4. Step 4: Simplify right side
    510,678.12x = 173,253,982,526.48
  5. Step 5: Solve for x
    x = 173,253,982,526.48/510,678.12
  6. Step 6: Final answer
    x = 339,262.59

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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.