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Finding the Fourth Proportional to 367,543.80, 551,315.70 and 180,516.60

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Solution

The fourth proportional to 367,543.80, 551,315.70 and 180,516.60 is: 270,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,543.80 : 551,315.70 = 180,516.60 : x
  2. Step 2: Convert to fraction form
    367,543.80/551,315.70 = 180,516.60/x
  3. Step 3: Cross multiply
    367,543.80x = 551,315.70 × 180,516.60
  4. Step 4: Simplify right side
    367,543.80x = 99,521,635,690.62
  5. Step 5: Solve for x
    x = 99,521,635,690.62/367,543.80
  6. Step 6: Final answer
    x = 270,774.90

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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.