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Finding the Fourth Proportional to 432,092.30, 648,138.45 and 282,793.10

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Solution

The fourth proportional to 432,092.30, 648,138.45 and 282,793.10 is: 424,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,092.30 : 648,138.45 = 282,793.10 : x
  2. Step 2: Convert to fraction form
    432,092.30/648,138.45 = 282,793.10/x
  3. Step 3: Cross multiply
    432,092.30x = 648,138.45 × 282,793.10
  4. Step 4: Simplify right side
    432,092.30x = 183,289,081,504.70
  5. Step 5: Solve for x
    x = 183,289,081,504.70/432,092.30
  6. Step 6: Final answer
    x = 424,189.65

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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.