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Finding the Fourth Proportional to 567,136.49, 850,835.95 and 330,678.05

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Solution

The fourth proportional to 567,136.49, 850,835.95 and 330,678.05 is: 496,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,136.49 : 850,835.95 = 330,678.05 : x
  2. Step 2: Convert to fraction form
    567,136.49/850,835.95 = 330,678.05/x
  3. Step 3: Cross multiply
    567,136.49x = 850,835.95 × 330,678.05
  4. Step 4: Simplify right side
    567,136.49x = 281,352,767,735.02
  5. Step 5: Solve for x
    x = 281,352,767,735.02/567,136.49
  6. Step 6: Final answer
    x = 496,093.58

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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.