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Finding the Fourth Proportional to 533,630.60, 800,186.70 and 296,721.80

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Solution

The fourth proportional to 533,630.60, 800,186.70 and 296,721.80 is: 444,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,630.60 : 800,186.70 = 296,721.80 : x
  2. Step 2: Convert to fraction form
    533,630.60/800,186.70 = 296,721.80/x
  3. Step 3: Cross multiply
    533,630.60x = 800,186.70 × 296,721.80
  4. Step 4: Simplify right side
    533,630.60x = 237,432,837,960.06
  5. Step 5: Solve for x
    x = 237,432,837,960.06/533,630.60
  6. Step 6: Final answer
    x = 444,938.57

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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.