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Finding the Fourth Proportional to 282,536.91, 389,727.99 and 167,737.64

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Solution

The fourth proportional to 282,536.91, 389,727.99 and 167,737.64 is: 231,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,536.91 : 389,727.99 = 167,737.64 : x
  2. Step 2: Convert to fraction form
    282,536.91/389,727.99 = 167,737.64/x
  3. Step 3: Cross multiply
    282,536.91x = 389,727.99 × 167,737.64
  4. Step 4: Simplify right side
    282,536.91x = 65,372,051,335.90
  5. Step 5: Solve for x
    x = 65,372,051,335.90/282,536.91
  6. Step 6: Final answer
    x = 231,375.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.