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Finding the Fourth Proportional to 323,898.67, 446,981.72 and 178,704.45

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Solution

The fourth proportional to 323,898.67, 446,981.72 and 178,704.45 is: 246,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,898.67 : 446,981.72 = 178,704.45 : x
  2. Step 2: Convert to fraction form
    323,898.67/446,981.72 = 178,704.45/x
  3. Step 3: Cross multiply
    323,898.67x = 446,981.72 × 178,704.45
  4. Step 4: Simplify right side
    323,898.67x = 79,877,621,539.13
  5. Step 5: Solve for x
    x = 79,877,621,539.13/323,898.67
  6. Step 6: Final answer
    x = 246,613.00

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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.