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Finding the Fourth Proportional to 298,089.72, 411,422.22 and 170,850.60

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Solution

The fourth proportional to 298,089.72, 411,422.22 and 170,850.60 is: 235,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,089.72 : 411,422.22 = 170,850.60 : x
  2. Step 2: Convert to fraction form
    298,089.72/411,422.22 = 170,850.60/x
  3. Step 3: Cross multiply
    298,089.72x = 411,422.22 × 170,850.60
  4. Step 4: Simplify right side
    298,089.72x = 70,291,733,140.33
  5. Step 5: Solve for x
    x = 70,291,733,140.33/298,089.72
  6. Step 6: Final answer
    x = 235,807.30

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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.