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Finding the Fourth Proportional to 510,612.12, 765,562.86 and 226,148.22

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Solution

The fourth proportional to 510,612.12, 765,562.86 and 226,148.22 is: 339,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,612.12 : 765,562.86 = 226,148.22 : x
  2. Step 2: Convert to fraction form
    510,612.12/765,562.86 = 226,148.22/x
  3. Step 3: Cross multiply
    510,612.12x = 765,562.86 × 226,148.22
  4. Step 4: Simplify right side
    510,612.12x = 173,130,678,087.11
  5. Step 5: Solve for x
    x = 173,130,678,087.11/510,612.12
  6. Step 6: Final answer
    x = 339,064.96

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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.