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Finding the Fourth Proportional to 580,874.49, 871,653.06 and 243,889.23

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Solution

The fourth proportional to 580,874.49, 871,653.06 and 243,889.23 is: 365,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,874.49 : 871,653.06 = 243,889.23 : x
  2. Step 2: Convert to fraction form
    580,874.49/871,653.06 = 243,889.23/x
  3. Step 3: Cross multiply
    580,874.49x = 871,653.06 × 243,889.23
  4. Step 4: Simplify right side
    580,874.49x = 212,586,793,630.54
  5. Step 5: Solve for x
    x = 212,586,793,630.54/580,874.49
  6. Step 6: Final answer
    x = 365,977.16

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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.