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Finding the Fourth Proportional to 555,846.66, 767,083.23 and 337,980.15

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Solution

The fourth proportional to 555,846.66, 767,083.23 and 337,980.15 is: 466,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,846.66 : 767,083.23 = 337,980.15 : x
  2. Step 2: Convert to fraction form
    555,846.66/767,083.23 = 337,980.15/x
  3. Step 3: Cross multiply
    555,846.66x = 767,083.23 × 337,980.15
  4. Step 4: Simplify right side
    555,846.66x = 259,258,905,137.89
  5. Step 5: Solve for x
    x = 259,258,905,137.89/555,846.66
  6. Step 6: Final answer
    x = 466,421.63

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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.