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Finding the Fourth Proportional to 543,580.89, 750,176.34 and 301,863.46

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Solution

The fourth proportional to 543,580.89, 750,176.34 and 301,863.46 is: 416,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,580.89 : 750,176.34 = 301,863.46 : x
  2. Step 2: Convert to fraction form
    543,580.89/750,176.34 = 301,863.46/x
  3. Step 3: Cross multiply
    543,580.89x = 750,176.34 × 301,863.46
  4. Step 4: Simplify right side
    543,580.89x = 226,450,822,972.44
  5. Step 5: Solve for x
    x = 226,450,822,972.44/543,580.89
  6. Step 6: Final answer
    x = 416,590.85

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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.