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Finding the Fourth Proportional to 337,884.79, 507,076.88 and 272,118.67

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Solution

The fourth proportional to 337,884.79, 507,076.88 and 272,118.67 is: 408,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,884.79 : 507,076.88 = 272,118.67 : x
  2. Step 2: Convert to fraction form
    337,884.79/507,076.88 = 272,118.67/x
  3. Step 3: Cross multiply
    337,884.79x = 507,076.88 × 272,118.67
  4. Step 4: Simplify right side
    337,884.79x = 137,985,086,173.35
  5. Step 5: Solve for x
    x = 137,985,086,173.35/337,884.79
  6. Step 6: Final answer
    x = 408,379.10

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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.