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Finding the Fourth Proportional to 531,185.21, 796,933.52 and 171,348.87

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Solution

The fourth proportional to 531,185.21, 796,933.52 and 171,348.87 is: 257,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,185.21 : 796,933.52 = 171,348.87 : x
  2. Step 2: Convert to fraction form
    531,185.21/796,933.52 = 171,348.87/x
  3. Step 3: Cross multiply
    531,185.21x = 796,933.52 × 171,348.87
  4. Step 4: Simplify right side
    531,185.21x = 136,553,658,545.50
  5. Step 5: Solve for x
    x = 136,553,658,545.50/531,185.21
  6. Step 6: Final answer
    x = 257,073.54

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1.5x scale

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.