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Finding the Fourth Proportional to 496,772.50, 685,546.13 and 270,419.70

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Solution

The fourth proportional to 496,772.50, 685,546.13 and 270,419.70 is: 373,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,772.50 : 685,546.13 = 270,419.70 : x
  2. Step 2: Convert to fraction form
    496,772.50/685,546.13 = 270,419.70/x
  3. Step 3: Cross multiply
    496,772.50x = 685,546.13 × 270,419.70
  4. Step 4: Simplify right side
    496,772.50x = 185,385,178,810.76
  5. Step 5: Solve for x
    x = 185,385,178,810.76/496,772.50
  6. Step 6: Final answer
    x = 373,179.23

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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.