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Finding the Fourth Proportional to 374,534.55, 561,801.83 and 327,878.55

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Solution

The fourth proportional to 374,534.55, 561,801.83 and 327,878.55 is: 491,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,534.55 : 561,801.83 = 327,878.55 : x
  2. Step 2: Convert to fraction form
    374,534.55/561,801.83 = 327,878.55/x
  3. Step 3: Cross multiply
    374,534.55x = 561,801.83 × 327,878.55
  4. Step 4: Simplify right side
    374,534.55x = 184,202,767,768.35
  5. Step 5: Solve for x
    x = 184,202,767,768.35/374,534.55
  6. Step 6: Final answer
    x = 491,817.83

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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.