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Finding the Fourth Proportional to 603,674.10, 905,511.15 and 182,895.30

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Solution

The fourth proportional to 603,674.10, 905,511.15 and 182,895.30 is: 274,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,674.10 : 905,511.15 = 182,895.30 : x
  2. Step 2: Convert to fraction form
    603,674.10/905,511.15 = 182,895.30/x
  3. Step 3: Cross multiply
    603,674.10x = 905,511.15 × 182,895.30
  4. Step 4: Simplify right side
    603,674.10x = 165,613,733,432.60
  5. Step 5: Solve for x
    x = 165,613,733,432.60/603,674.10
  6. Step 6: Final answer
    x = 274,342.95

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Half scale
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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.