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Finding the Fourth Proportional to 295,528.80, 443,293.20 and 171,112.80

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Solution

The fourth proportional to 295,528.80, 443,293.20 and 171,112.80 is: 256,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,528.80 : 443,293.20 = 171,112.80 : x
  2. Step 2: Convert to fraction form
    295,528.80/443,293.20 = 171,112.80/x
  3. Step 3: Cross multiply
    295,528.80x = 443,293.20 × 171,112.80
  4. Step 4: Simplify right side
    295,528.80x = 75,853,140,672.96
  5. Step 5: Solve for x
    x = 75,853,140,672.96/295,528.80
  6. Step 6: Final answer
    x = 256,669.20

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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.