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Finding the Fourth Proportional to 507,028.41, 699,699.41 and 277,600.57

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Solution

The fourth proportional to 507,028.41, 699,699.41 and 277,600.57 is: 383,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,028.41 : 699,699.41 = 277,600.57 : x
  2. Step 2: Convert to fraction form
    507,028.41/699,699.41 = 277,600.57/x
  3. Step 3: Cross multiply
    507,028.41x = 699,699.41 × 277,600.57
  4. Step 4: Simplify right side
    507,028.41x = 194,236,954,509.92
  5. Step 5: Solve for x
    x = 194,236,954,509.92/507,028.41
  6. Step 6: Final answer
    x = 383,088.90

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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.