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Finding the Fourth Proportional to 562,188.10, 775,817.25 and 304,065.33

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Solution

The fourth proportional to 562,188.10, 775,817.25 and 304,065.33 is: 419,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,188.10 : 775,817.25 = 304,065.33 : x
  2. Step 2: Convert to fraction form
    562,188.10/775,817.25 = 304,065.33/x
  3. Step 3: Cross multiply
    562,188.10x = 775,817.25 × 304,065.33
  4. Step 4: Simplify right side
    562,188.10x = 235,899,126,201.40
  5. Step 5: Solve for x
    x = 235,899,126,201.40/562,188.10
  6. Step 6: Final answer
    x = 419,608.90

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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.