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Finding the Fourth Proportional to 318,595.41, 439,611.28 and 182,603.16

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Solution

The fourth proportional to 318,595.41, 439,611.28 and 182,603.16 is: 251,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,595.41 : 439,611.28 = 182,603.16 : x
  2. Step 2: Convert to fraction form
    318,595.41/439,611.28 = 182,603.16/x
  3. Step 3: Cross multiply
    318,595.41x = 439,611.28 × 182,603.16
  4. Step 4: Simplify right side
    318,595.41x = 80,274,408,899.64
  5. Step 5: Solve for x
    x = 80,274,408,899.64/318,595.41
  6. Step 6: Final answer
    x = 251,963.48

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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.