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Finding the Fourth Proportional to 492,114.30, 738,171.45 and 443,903.10

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Solution

The fourth proportional to 492,114.30, 738,171.45 and 443,903.10 is: 665,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,114.30 : 738,171.45 = 443,903.10 : x
  2. Step 2: Convert to fraction form
    492,114.30/738,171.45 = 443,903.10/x
  3. Step 3: Cross multiply
    492,114.30x = 738,171.45 × 443,903.10
  4. Step 4: Simplify right side
    492,114.30x = 327,676,594,986.50
  5. Step 5: Solve for x
    x = 327,676,594,986.50/492,114.30
  6. Step 6: Final answer
    x = 665,854.65

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Double scale
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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.