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Finding the Fourth Proportional to 332,665.59, 459,079.23 and 189,425.76

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Solution

The fourth proportional to 332,665.59, 459,079.23 and 189,425.76 is: 261,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,665.59 : 459,079.23 = 189,425.76 : x
  2. Step 2: Convert to fraction form
    332,665.59/459,079.23 = 189,425.76/x
  3. Step 3: Cross multiply
    332,665.59x = 459,079.23 × 189,425.76
  4. Step 4: Simplify right side
    332,665.59x = 86,961,431,031.76
  5. Step 5: Solve for x
    x = 86,961,431,031.76/332,665.59
  6. Step 6: Final answer
    x = 261,407.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.