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Finding the Fourth Proportional to 496,857.67, 685,663.62 and 270,503.17

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Solution

The fourth proportional to 496,857.67, 685,663.62 and 270,503.17 is: 373,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,857.67 : 685,663.62 = 270,503.17 : x
  2. Step 2: Convert to fraction form
    496,857.67/685,663.62 = 270,503.17/x
  3. Step 3: Cross multiply
    496,857.67x = 685,663.62 × 270,503.17
  4. Step 4: Simplify right side
    496,857.67x = 185,474,177,982.84
  5. Step 5: Solve for x
    x = 185,474,177,982.84/496,857.67
  6. Step 6: Final answer
    x = 373,294.39

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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.