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Finding the Fourth Proportional to 295,255.40, 442,883.10 and 170,450.60

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Solution

The fourth proportional to 295,255.40, 442,883.10 and 170,450.60 is: 255,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,255.40 : 442,883.10 = 170,450.60 : x
  2. Step 2: Convert to fraction form
    295,255.40/442,883.10 = 170,450.60/x
  3. Step 3: Cross multiply
    295,255.40x = 442,883.10 × 170,450.60
  4. Step 4: Simplify right side
    295,255.40x = 75,489,690,124.86
  5. Step 5: Solve for x
    x = 75,489,690,124.86/295,255.40
  6. Step 6: Final answer
    x = 255,675.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.