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Finding the Fourth Proportional to 553,640.44, 829,935.78 and 179,401

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Solution

The fourth proportional to 553,640.44, 829,935.78 and 179,401 is: 268,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,640.44 : 829,935.78 = 179,401 : x
  2. Step 2: Convert to fraction form
    553,640.44/829,935.78 = 179,401/x
  3. Step 3: Cross multiply
    553,640.44x = 829,935.78 × 179,401
  4. Step 4: Simplify right side
    553,640.44x = 148,891,308,867.78
  5. Step 5: Solve for x
    x = 148,891,308,867.78/553,640.44
  6. Step 6: Final answer
    x = 268,931.42

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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.