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Finding the Fourth Proportional to 529,748.70, 794,331.45 and 230,178.30

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Solution

The fourth proportional to 529,748.70, 794,331.45 and 230,178.30 is: 345,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,748.70 : 794,331.45 = 230,178.30 : x
  2. Step 2: Convert to fraction form
    529,748.70/794,331.45 = 230,178.30/x
  3. Step 3: Cross multiply
    529,748.70x = 794,331.45 × 230,178.30
  4. Step 4: Simplify right side
    529,748.70x = 182,837,862,797.54
  5. Step 5: Solve for x
    x = 182,837,862,797.54/529,748.70
  6. Step 6: Final answer
    x = 345,140.75

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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.