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Finding the Fourth Proportional to 536,638.70, 804,958.05 and 162,613.10

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Solution

The fourth proportional to 536,638.70, 804,958.05 and 162,613.10 is: 243,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,638.70 : 804,958.05 = 162,613.10 : x
  2. Step 2: Convert to fraction form
    536,638.70/804,958.05 = 162,613.10/x
  3. Step 3: Cross multiply
    536,638.70x = 804,958.05 × 162,613.10
  4. Step 4: Simplify right side
    536,638.70x = 130,896,723,880.46
  5. Step 5: Solve for x
    x = 130,896,723,880.46/536,638.70
  6. Step 6: Final answer
    x = 243,919.65

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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.