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Finding the Fourth Proportional to 282,344.88, 389,636.23 and 167,646.43

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Solution

The fourth proportional to 282,344.88, 389,636.23 and 167,646.43 is: 231,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,344.88 : 389,636.23 = 167,646.43 : x
  2. Step 2: Convert to fraction form
    282,344.88/389,636.23 = 167,646.43/x
  3. Step 3: Cross multiply
    282,344.88x = 389,636.23 × 167,646.43
  4. Step 4: Simplify right side
    282,344.88x = 65,321,121,009.98
  5. Step 5: Solve for x
    x = 65,321,121,009.98/282,344.88
  6. Step 6: Final answer
    x = 231,352.24

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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.