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Finding the Fourth Proportional to 491,336.64, 737,013.60 and 176,019.84

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Solution

The fourth proportional to 491,336.64, 737,013.60 and 176,019.84 is: 264,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,336.64 : 737,013.60 = 176,019.84 : x
  2. Step 2: Convert to fraction form
    491,336.64/737,013.60 = 176,019.84/x
  3. Step 3: Cross multiply
    491,336.64x = 737,013.60 × 176,019.84
  4. Step 4: Simplify right side
    491,336.64x = 129,729,015,949.82
  5. Step 5: Solve for x
    x = 129,729,015,949.82/491,336.64
  6. Step 6: Final answer
    x = 264,032.86

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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.