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Finding the Fourth Proportional to 496,859.92, 685,666.79 and 270,505.42

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Solution

The fourth proportional to 496,859.92, 685,666.79 and 270,505.42 is: 373,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,859.92 : 685,666.79 = 270,505.42 : x
  2. Step 2: Convert to fraction form
    496,859.92/685,666.79 = 270,505.42/x
  3. Step 3: Cross multiply
    496,859.92x = 685,666.79 × 270,505.42
  4. Step 4: Simplify right side
    496,859.92x = 185,476,581,971.10
  5. Step 5: Solve for x
    x = 185,476,581,971.10/496,859.92
  6. Step 6: Final answer
    x = 373,297.53

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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.