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Finding the Fourth Proportional to 555,995.76, 833,693.86 and 299,965.56

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Solution

The fourth proportional to 555,995.76, 833,693.86 and 299,965.56 is: 449,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,995.76 : 833,693.86 = 299,965.56 : x
  2. Step 2: Convert to fraction form
    555,995.76/833,693.86 = 299,965.56/x
  3. Step 3: Cross multiply
    555,995.76x = 833,693.86 × 299,965.56
  4. Step 4: Simplify right side
    555,995.76x = 250,079,445,583.46
  5. Step 5: Solve for x
    x = 250,079,445,583.46/555,995.76
  6. Step 6: Final answer
    x = 449,786.61

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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.