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Finding the Fourth Proportional to 332,967.56, 499,368.29 and 130,604.78

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Solution

The fourth proportional to 332,967.56, 499,368.29 and 130,604.78 is: 195,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,967.56 : 499,368.29 = 130,604.78 : x
  2. Step 2: Convert to fraction form
    332,967.56/499,368.29 = 130,604.78/x
  3. Step 3: Cross multiply
    332,967.56x = 499,368.29 × 130,604.78
  4. Step 4: Simplify right side
    332,967.56x = 65,219,886,249.82
  5. Step 5: Solve for x
    x = 65,219,886,249.82/332,967.56
  6. Step 6: Final answer
    x = 195,874.60

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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.