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Finding the Fourth Proportional to 363,136.40, 544,704.60 and 176,512.40

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Solution

The fourth proportional to 363,136.40, 544,704.60 and 176,512.40 is: 264,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,136.40 : 544,704.60 = 176,512.40 : x
  2. Step 2: Convert to fraction form
    363,136.40/544,704.60 = 176,512.40/x
  3. Step 3: Cross multiply
    363,136.40x = 544,704.60 × 176,512.40
  4. Step 4: Simplify right side
    363,136.40x = 96,147,116,237.04
  5. Step 5: Solve for x
    x = 96,147,116,237.04/363,136.40
  6. Step 6: Final answer
    x = 264,768.60

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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.