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Finding the Fourth Proportional to 647,825.99, 971,797.28 and 174,500.87

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Solution

The fourth proportional to 647,825.99, 971,797.28 and 174,500.87 is: 261,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,825.99 : 971,797.28 = 174,500.87 : x
  2. Step 2: Convert to fraction form
    647,825.99/971,797.28 = 174,500.87/x
  3. Step 3: Cross multiply
    647,825.99x = 971,797.28 × 174,500.87
  4. Step 4: Simplify right side
    647,825.99x = 169,579,465,092.14
  5. Step 5: Solve for x
    x = 169,579,465,092.14/647,825.99
  6. Step 6: Final answer
    x = 261,767.00

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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.