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Finding the Fourth Proportional to 385,930.02, 532,583.43 and 235,027.02

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Solution

The fourth proportional to 385,930.02, 532,583.43 and 235,027.02 is: 324,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,930.02 : 532,583.43 = 235,027.02 : x
  2. Step 2: Convert to fraction form
    385,930.02/532,583.43 = 235,027.02/x
  3. Step 3: Cross multiply
    385,930.02x = 532,583.43 × 235,027.02
  4. Step 4: Simplify right side
    385,930.02x = 125,171,496,454.28
  5. Step 5: Solve for x
    x = 125,171,496,454.28/385,930.02
  6. Step 6: Final answer
    x = 324,337.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.