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Finding the Fourth Proportional to 499,273.70, 748,910.55 and 277,657.70

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Solution

The fourth proportional to 499,273.70, 748,910.55 and 277,657.70 is: 416,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,273.70 : 748,910.55 = 277,657.70 : x
  2. Step 2: Convert to fraction form
    499,273.70/748,910.55 = 277,657.70/x
  3. Step 3: Cross multiply
    499,273.70x = 748,910.55 × 277,657.70
  4. Step 4: Simplify right side
    499,273.70x = 207,940,780,818.74
  5. Step 5: Solve for x
    x = 207,940,780,818.74/499,273.70
  6. Step 6: Final answer
    x = 416,486.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.