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Finding the Fourth Proportional to 283,452, 391,135.37 and 174,538.88

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Solution

The fourth proportional to 283,452, 391,135.37 and 174,538.88 is: 240,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,452 : 391,135.37 = 174,538.88 : x
  2. Step 2: Convert to fraction form
    283,452/391,135.37 = 174,538.88/x
  3. Step 3: Cross multiply
    283,452x = 391,135.37 × 174,538.88
  4. Step 4: Simplify right side
    283,452x = 68,268,326,579.81
  5. Step 5: Solve for x
    x = 68,268,326,579.81/283,452
  6. Step 6: Final answer
    x = 240,846.16

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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.