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Finding the Fourth Proportional to 507,156.79, 699,884.98 and 277,710.42

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Solution

The fourth proportional to 507,156.79, 699,884.98 and 277,710.42 is: 383,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,156.79 : 699,884.98 = 277,710.42 : x
  2. Step 2: Convert to fraction form
    507,156.79/699,884.98 = 277,710.42/x
  3. Step 3: Cross multiply
    507,156.79x = 699,884.98 × 277,710.42
  4. Step 4: Simplify right side
    507,156.79x = 194,365,351,747.49
  5. Step 5: Solve for x
    x = 194,365,351,747.49/507,156.79
  6. Step 6: Final answer
    x = 383,245.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.