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Finding the Fourth Proportional to 580,910.58, 871,706.94 and 243,925.32

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Solution

The fourth proportional to 580,910.58, 871,706.94 and 243,925.32 is: 366,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,910.58 : 871,706.94 = 243,925.32 : x
  2. Step 2: Convert to fraction form
    580,910.58/871,706.94 = 243,925.32/x
  3. Step 3: Cross multiply
    580,910.58x = 871,706.94 × 243,925.32
  4. Step 4: Simplify right side
    580,910.58x = 212,631,394,285.72
  5. Step 5: Solve for x
    x = 212,631,394,285.72/580,910.58
  6. Step 6: Final answer
    x = 366,031.20

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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.