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Finding the Fourth Proportional to 287,150.84, 395,843.22 and 183,773.64

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Solution

The fourth proportional to 287,150.84, 395,843.22 and 183,773.64 is: 253,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,150.84 : 395,843.22 = 183,773.64 : x
  2. Step 2: Convert to fraction form
    287,150.84/395,843.22 = 183,773.64/x
  3. Step 3: Cross multiply
    287,150.84x = 395,843.22 × 183,773.64
  4. Step 4: Simplify right side
    287,150.84x = 72,745,549,408.72
  5. Step 5: Solve for x
    x = 72,745,549,408.72/287,150.84
  6. Step 6: Final answer
    x = 253,335.67

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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.