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Finding the Fourth Proportional to 297,173.52, 444,695.40 and 257,329.92

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Solution

The fourth proportional to 297,173.52, 444,695.40 and 257,329.92 is: 385,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,173.52 : 444,695.40 = 257,329.92 : x
  2. Step 2: Convert to fraction form
    297,173.52/444,695.40 = 257,329.92/x
  3. Step 3: Cross multiply
    297,173.52x = 444,695.40 × 257,329.92
  4. Step 4: Simplify right side
    297,173.52x = 114,433,431,706.37
  5. Step 5: Solve for x
    x = 114,433,431,706.37/297,173.52
  6. Step 6: Final answer
    x = 385,072.77

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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.