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Finding the Fourth Proportional to 499,234.70, 748,852.05 and 475,906.70

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Solution

The fourth proportional to 499,234.70, 748,852.05 and 475,906.70 is: 713,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,234.70 : 748,852.05 = 475,906.70 : x
  2. Step 2: Convert to fraction form
    499,234.70/748,852.05 = 475,906.70/x
  3. Step 3: Cross multiply
    499,234.70x = 748,852.05 × 475,906.70
  4. Step 4: Simplify right side
    499,234.70x = 356,383,707,903.74
  5. Step 5: Solve for x
    x = 356,383,707,903.74/499,234.70
  6. Step 6: Final answer
    x = 713,860.05

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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.