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Finding the Fourth Proportional to 580,493.94, 871,076.85 and 243,504.42

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Solution

The fourth proportional to 580,493.94, 871,076.85 and 243,504.42 is: 365,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,493.94 : 871,076.85 = 243,504.42 : x
  2. Step 2: Convert to fraction form
    580,493.94/871,076.85 = 243,504.42/x
  3. Step 3: Cross multiply
    580,493.94x = 871,076.85 × 243,504.42
  4. Step 4: Simplify right side
    580,493.94x = 212,111,063,134.68
  5. Step 5: Solve for x
    x = 212,111,063,134.68/580,493.94
  6. Step 6: Final answer
    x = 365,397.55

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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.