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Finding the Fourth Proportional to 552,996.45, 829,489.14 and 253,392.03

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Solution

The fourth proportional to 552,996.45, 829,489.14 and 253,392.03 is: 380,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,996.45 : 829,489.14 = 253,392.03 : x
  2. Step 2: Convert to fraction form
    552,996.45/829,489.14 = 253,392.03/x
  3. Step 3: Cross multiply
    552,996.45x = 829,489.14 × 253,392.03
  4. Step 4: Simplify right side
    552,996.45x = 210,185,937,047.55
  5. Step 5: Solve for x
    x = 210,185,937,047.55/552,996.45
  6. Step 6: Final answer
    x = 380,085.51

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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.