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Finding the Fourth Proportional to 504,234.40, 756,300.40 and 171,805.60

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Solution

The fourth proportional to 504,234.40, 756,300.40 and 171,805.60 is: 257,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,234.40 : 756,300.40 = 171,805.60 : x
  2. Step 2: Convert to fraction form
    504,234.40/756,300.40 = 171,805.60/x
  3. Step 3: Cross multiply
    504,234.40x = 756,300.40 × 171,805.60
  4. Step 4: Simplify right side
    504,234.40x = 129,936,644,002.24
  5. Step 5: Solve for x
    x = 129,936,644,002.24/504,234.40
  6. Step 6: Final answer
    x = 257,690.95

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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.