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Finding the Fourth Proportional to 252,291.58, 347,800.68 and 198,483.28

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Solution

The fourth proportional to 252,291.58, 347,800.68 and 198,483.28 is: 273,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,291.58 : 347,800.68 = 198,483.28 : x
  2. Step 2: Convert to fraction form
    252,291.58/347,800.68 = 198,483.28/x
  3. Step 3: Cross multiply
    252,291.58x = 347,800.68 × 198,483.28
  4. Step 4: Simplify right side
    252,291.58x = 69,032,619,752.63
  5. Step 5: Solve for x
    x = 69,032,619,752.63/252,291.58
  6. Step 6: Final answer
    x = 273,622.37

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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.