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Finding the Fourth Proportional to 647,950.87, 971,860.68 and 174,684.07

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Solution

The fourth proportional to 647,950.87, 971,860.68 and 174,684.07 is: 262,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,950.87 : 971,860.68 = 174,684.07 : x
  2. Step 2: Convert to fraction form
    647,950.87/971,860.68 = 174,684.07/x
  3. Step 3: Cross multiply
    647,950.87x = 971,860.68 × 174,684.07
  4. Step 4: Simplify right side
    647,950.87x = 169,768,579,055.37
  5. Step 5: Solve for x
    x = 169,768,579,055.37/647,950.87
  6. Step 6: Final answer
    x = 262,008.41

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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.