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Finding the Fourth Proportional to 295,579.80, 443,369.70 and 170,856.60

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Solution

The fourth proportional to 295,579.80, 443,369.70 and 170,856.60 is: 256,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,579.80 : 443,369.70 = 170,856.60 : x
  2. Step 2: Convert to fraction form
    295,579.80/443,369.70 = 170,856.60/x
  3. Step 3: Cross multiply
    295,579.80x = 443,369.70 × 170,856.60
  4. Step 4: Simplify right side
    295,579.80x = 75,752,639,485.02
  5. Step 5: Solve for x
    x = 75,752,639,485.02/295,579.80
  6. Step 6: Final answer
    x = 256,284.90

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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.