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Finding the Fourth Proportional to 493,886.56, 740,752.60 and 156,882.88

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Solution

The fourth proportional to 493,886.56, 740,752.60 and 156,882.88 is: 235,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,886.56 : 740,752.60 = 156,882.88 : x
  2. Step 2: Convert to fraction form
    493,886.56/740,752.60 = 156,882.88/x
  3. Step 3: Cross multiply
    493,886.56x = 740,752.60 × 156,882.88
  4. Step 4: Simplify right side
    493,886.56x = 116,211,401,255.49
  5. Step 5: Solve for x
    x = 116,211,401,255.49/493,886.56
  6. Step 6: Final answer
    x = 235,299.78

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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.