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Finding the Fourth Proportional to 470,466.34, 705,743.22 and 133,515.26

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Solution

The fourth proportional to 470,466.34, 705,743.22 and 133,515.26 is: 200,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,466.34 : 705,743.22 = 133,515.26 : x
  2. Step 2: Convert to fraction form
    470,466.34/705,743.22 = 133,515.26/x
  3. Step 3: Cross multiply
    470,466.34x = 705,743.22 × 133,515.26
  4. Step 4: Simplify right side
    470,466.34x = 94,227,489,511.54
  5. Step 5: Solve for x
    x = 94,227,489,511.54/470,466.34
  6. Step 6: Final answer
    x = 200,285.29

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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.