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Finding the Fourth Proportional to 543,608.31, 750,214.17 and 301,890.81

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Solution

The fourth proportional to 543,608.31, 750,214.17 and 301,890.81 is: 416,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,608.31 : 750,214.17 = 301,890.81 : x
  2. Step 2: Convert to fraction form
    543,608.31/750,214.17 = 301,890.81/x
  3. Step 3: Cross multiply
    543,608.31x = 750,214.17 × 301,890.81
  4. Step 4: Simplify right side
    543,608.31x = 226,482,763,454.78
  5. Step 5: Solve for x
    x = 226,482,763,454.78/543,608.31
  6. Step 6: Final answer
    x = 416,628.59

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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.