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Finding the Fourth Proportional to 633,992, 952,172.64 and 558,117.44

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Solution

The fourth proportional to 633,992, 952,172.64 and 558,117.44 is: 838,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,992 : 952,172.64 = 558,117.44 : x
  2. Step 2: Convert to fraction form
    633,992/952,172.64 = 558,117.44/x
  3. Step 3: Cross multiply
    633,992x = 952,172.64 × 558,117.44
  4. Step 4: Simplify right side
    633,992x = 531,424,156,274.84
  5. Step 5: Solve for x
    x = 531,424,156,274.84/633,992
  6. Step 6: Final answer
    x = 838,219.03

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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.