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Finding the Fourth Proportional to 543,652.45, 750,216.11 and 325,981.29

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Solution

The fourth proportional to 543,652.45, 750,216.11 and 325,981.29 is: 449,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,652.45 : 750,216.11 = 325,981.29 : x
  2. Step 2: Convert to fraction form
    543,652.45/750,216.11 = 325,981.29/x
  3. Step 3: Cross multiply
    543,652.45x = 750,216.11 × 325,981.29
  4. Step 4: Simplify right side
    543,652.45x = 244,556,409,935.60
  5. Step 5: Solve for x
    x = 244,556,409,935.60/543,652.45
  6. Step 6: Final answer
    x = 449,839.62

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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.