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Finding the Fourth Proportional to 580,797.44, 871,419.57 and 281,254.98

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Solution

The fourth proportional to 580,797.44, 871,419.57 and 281,254.98 is: 421,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,797.44 : 871,419.57 = 281,254.98 : x
  2. Step 2: Convert to fraction form
    580,797.44/871,419.57 = 281,254.98/x
  3. Step 3: Cross multiply
    580,797.44x = 871,419.57 × 281,254.98
  4. Step 4: Simplify right side
    580,797.44x = 245,091,095,945.08
  5. Step 5: Solve for x
    x = 245,091,095,945.08/580,797.44
  6. Step 6: Final answer
    x = 421,990.66

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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.