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Finding the Fourth Proportional to 321,671.59, 443,898.23 and 185,700.94

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Solution

The fourth proportional to 321,671.59, 443,898.23 and 185,700.94 is: 256,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,671.59 : 443,898.23 = 185,700.94 : x
  2. Step 2: Convert to fraction form
    321,671.59/443,898.23 = 185,700.94/x
  3. Step 3: Cross multiply
    321,671.59x = 443,898.23 × 185,700.94
  4. Step 4: Simplify right side
    321,671.59x = 82,432,316,537.09
  5. Step 5: Solve for x
    x = 82,432,316,537.09/321,671.59
  6. Step 6: Final answer
    x = 256,262.35

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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.