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Finding the Fourth Proportional to 496,586.69, 685,363.44 and 292,572.39

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Solution

The fourth proportional to 496,586.69, 685,363.44 and 292,572.39 is: 403,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,586.69 : 685,363.44 = 292,572.39 : x
  2. Step 2: Convert to fraction form
    496,586.69/685,363.44 = 292,572.39/x
  3. Step 3: Cross multiply
    496,586.69x = 685,363.44 × 292,572.39
  4. Step 4: Simplify right side
    496,586.69x = 200,518,419,659.42
  5. Step 5: Solve for x
    x = 200,518,419,659.42/496,586.69
  6. Step 6: Final answer
    x = 403,793.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.