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Finding the Fourth Proportional to 295,533.10, 443,299.65 and 108,520.30

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Solution

The fourth proportional to 295,533.10, 443,299.65 and 108,520.30 is: 162,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,533.10 : 443,299.65 = 108,520.30 : x
  2. Step 2: Convert to fraction form
    295,533.10/443,299.65 = 108,520.30/x
  3. Step 3: Cross multiply
    295,533.10x = 443,299.65 × 108,520.30
  4. Step 4: Simplify right side
    295,533.10x = 48,107,011,007.90
  5. Step 5: Solve for x
    x = 48,107,011,007.90/295,533.10
  6. Step 6: Final answer
    x = 162,780.45

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Similar ratio
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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.