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Finding the Fourth Proportional to 294,747.22, 406,751.07 and 160,611.22

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Solution

The fourth proportional to 294,747.22, 406,751.07 and 160,611.22 is: 221,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,747.22 : 406,751.07 = 160,611.22 : x
  2. Step 2: Convert to fraction form
    294,747.22/406,751.07 = 160,611.22/x
  3. Step 3: Cross multiply
    294,747.22x = 406,751.07 × 160,611.22
  4. Step 4: Simplify right side
    294,747.22x = 65,328,785,589.01
  5. Step 5: Solve for x
    x = 65,328,785,589.01/294,747.22
  6. Step 6: Final answer
    x = 221,643.43

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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.