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Finding the Fourth Proportional to 403,880.99, 605,933.73 and 176,196.51

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Solution

The fourth proportional to 403,880.99, 605,933.73 and 176,196.51 is: 264,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,880.99 : 605,933.73 = 176,196.51 : x
  2. Step 2: Convert to fraction form
    403,880.99/605,933.73 = 176,196.51/x
  3. Step 3: Cross multiply
    403,880.99x = 605,933.73 × 176,196.51
  4. Step 4: Simplify right side
    403,880.99x = 106,763,408,517.28
  5. Step 5: Solve for x
    x = 106,763,408,517.28/403,880.99
  6. Step 6: Final answer
    x = 264,343.74

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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.