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Finding the Fourth Proportional to 507,086.18, 699,752.29 and 277,599.50

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Solution

The fourth proportional to 507,086.18, 699,752.29 and 277,599.50 is: 383,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,086.18 : 699,752.29 = 277,599.50 : x
  2. Step 2: Convert to fraction form
    507,086.18/699,752.29 = 277,599.50/x
  3. Step 3: Cross multiply
    507,086.18x = 699,752.29 × 277,599.50
  4. Step 4: Simplify right side
    507,086.18x = 194,250,885,827.86
  5. Step 5: Solve for x
    x = 194,250,885,827.86/507,086.18
  6. Step 6: Final answer
    x = 383,072.73

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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.