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Finding the Fourth Proportional to 552,824.40, 829,241.21 and 153,496.32

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Solution

The fourth proportional to 552,824.40, 829,241.21 and 153,496.32 is: 230,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,824.40 : 829,241.21 = 153,496.32 : x
  2. Step 2: Convert to fraction form
    552,824.40/829,241.21 = 153,496.32/x
  3. Step 3: Cross multiply
    552,824.40x = 829,241.21 × 153,496.32
  4. Step 4: Simplify right side
    552,824.40x = 127,285,471,401.43
  5. Step 5: Solve for x
    x = 127,285,471,401.43/552,824.40
  6. Step 6: Final answer
    x = 230,245.75

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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.