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Finding the Fourth Proportional to 503,429.96, 755,143.32 and 148,446.92

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Solution

The fourth proportional to 503,429.96, 755,143.32 and 148,446.92 is: 222,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,429.96 : 755,143.32 = 148,446.92 : x
  2. Step 2: Convert to fraction form
    503,429.96/755,143.32 = 148,446.92/x
  3. Step 3: Cross multiply
    503,429.96x = 755,143.32 × 148,446.92
  4. Step 4: Simplify right side
    503,429.96x = 112,098,700,012.57
  5. Step 5: Solve for x
    x = 112,098,700,012.57/503,429.96
  6. Step 6: Final answer
    x = 222,669.90

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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.