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Finding the Fourth Proportional to 496,816.50, 685,608.39 and 270,463.62

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Solution

The fourth proportional to 496,816.50, 685,608.39 and 270,463.62 is: 373,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,816.50 : 685,608.39 = 270,463.62 : x
  2. Step 2: Convert to fraction form
    496,816.50/685,608.39 = 270,463.62/x
  3. Step 3: Cross multiply
    496,816.50x = 685,608.39 × 270,463.62
  4. Step 4: Simplify right side
    496,816.50x = 185,432,127,061.77
  5. Step 5: Solve for x
    x = 185,432,127,061.77/496,816.50
  6. Step 6: Final answer
    x = 373,240.68

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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.