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Finding the Fourth Proportional to 294,576.22, 406,561.36 and 173,730.80

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Solution

The fourth proportional to 294,576.22, 406,561.36 and 173,730.80 is: 239,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,576.22 : 406,561.36 = 173,730.80 : x
  2. Step 2: Convert to fraction form
    294,576.22/406,561.36 = 173,730.80/x
  3. Step 3: Cross multiply
    294,576.22x = 406,561.36 × 173,730.80
  4. Step 4: Simplify right side
    294,576.22x = 70,632,230,321.89
  5. Step 5: Solve for x
    x = 70,632,230,321.89/294,576.22
  6. Step 6: Final answer
    x = 239,775.74

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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.