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Finding the Fourth Proportional to 503,446.58, 755,168.96 and 148,709.72

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Solution

The fourth proportional to 503,446.58, 755,168.96 and 148,709.72 is: 223,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,446.58 : 755,168.96 = 148,709.72 : x
  2. Step 2: Convert to fraction form
    503,446.58/755,168.96 = 148,709.72/x
  3. Step 3: Cross multiply
    503,446.58x = 755,168.96 × 148,709.72
  4. Step 4: Simplify right side
    503,446.58x = 112,300,960,074.90
  5. Step 5: Solve for x
    x = 112,300,960,074.90/503,446.58
  6. Step 6: Final answer
    x = 223,064.30

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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.