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Finding the Fourth Proportional to 507,058.50, 699,748.98 and 277,611.96

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Solution

The fourth proportional to 507,058.50, 699,748.98 and 277,611.96 is: 383,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,058.50 : 699,748.98 = 277,611.96 : x
  2. Step 2: Convert to fraction form
    507,058.50/699,748.98 = 277,611.96/x
  3. Step 3: Cross multiply
    507,058.50x = 699,748.98 × 277,611.96
  4. Step 4: Simplify right side
    507,058.50x = 194,258,685,845.80
  5. Step 5: Solve for x
    x = 194,258,685,845.80/507,058.50
  6. Step 6: Final answer
    x = 383,109.02

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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.