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Finding the Fourth Proportional to 552,993.60, 829,536.47 and 148,243.49

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Solution

The fourth proportional to 552,993.60, 829,536.47 and 148,243.49 is: 222,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,993.60 : 829,536.47 = 148,243.49 : x
  2. Step 2: Convert to fraction form
    552,993.60/829,536.47 = 148,243.49/x
  3. Step 3: Cross multiply
    552,993.60x = 829,536.47 × 148,243.49
  4. Step 4: Simplify right side
    552,993.60x = 122,973,381,395.08
  5. Step 5: Solve for x
    x = 122,973,381,395.08/552,993.60
  6. Step 6: Final answer
    x = 222,377.59

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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.