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Finding the Fourth Proportional to 216,089.80, 323,616.30 and 174,617.80

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Solution

The fourth proportional to 216,089.80, 323,616.30 and 174,617.80 is: 261,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,089.80 : 323,616.30 = 174,617.80 : x
  2. Step 2: Convert to fraction form
    216,089.80/323,616.30 = 174,617.80/x
  3. Step 3: Cross multiply
    216,089.80x = 323,616.30 × 174,617.80
  4. Step 4: Simplify right side
    216,089.80x = 56,509,166,350.14
  5. Step 5: Solve for x
    x = 56,509,166,350.14/216,089.80
  6. Step 6: Final answer
    x = 261,507.79

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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.