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Finding the Fourth Proportional to 503,898.30, 755,847.45 and 188,314.20

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Solution

The fourth proportional to 503,898.30, 755,847.45 and 188,314.20 is: 282,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,898.30 : 755,847.45 = 188,314.20 : x
  2. Step 2: Convert to fraction form
    503,898.30/755,847.45 = 188,314.20/x
  3. Step 3: Cross multiply
    503,898.30x = 755,847.45 × 188,314.20
  4. Step 4: Simplify right side
    503,898.30x = 142,336,807,868.79
  5. Step 5: Solve for x
    x = 142,336,807,868.79/503,898.30
  6. Step 6: Final answer
    x = 282,471.30

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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.