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Finding the Fourth Proportional to 555,846.16, 766,982.87 and 314,040.50

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Solution

The fourth proportional to 555,846.16, 766,982.87 and 314,040.50 is: 433,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,846.16 : 766,982.87 = 314,040.50 : x
  2. Step 2: Convert to fraction form
    555,846.16/766,982.87 = 314,040.50/x
  3. Step 3: Cross multiply
    555,846.16x = 766,982.87 × 314,040.50
  4. Step 4: Simplify right side
    555,846.16x = 240,863,682,416.03
  5. Step 5: Solve for x
    x = 240,863,682,416.03/555,846.16
  6. Step 6: Final answer
    x = 433,327.96

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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.