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Finding the Fourth Proportional to 510,844.44, 765,085.68 and 493,129.74

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Solution

The fourth proportional to 510,844.44, 765,085.68 and 493,129.74 is: 738,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,844.44 : 765,085.68 = 493,129.74 : x
  2. Step 2: Convert to fraction form
    510,844.44/765,085.68 = 493,129.74/x
  3. Step 3: Cross multiply
    510,844.44x = 765,085.68 × 493,129.74
  4. Step 4: Simplify right side
    510,844.44x = 377,286,502,456.12
  5. Step 5: Solve for x
    x = 377,286,502,456.12/510,844.44
  6. Step 6: Final answer
    x = 738,554.58

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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.