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Finding the Fourth Proportional to 636,145.76, 954,118.44 and 528,764.68

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Solution

The fourth proportional to 636,145.76, 954,118.44 and 528,764.68 is: 793,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,145.76 : 954,118.44 = 528,764.68 : x
  2. Step 2: Convert to fraction form
    636,145.76/954,118.44 = 528,764.68/x
  3. Step 3: Cross multiply
    636,145.76x = 954,118.44 × 528,764.68
  4. Step 4: Simplify right side
    636,145.76x = 504,504,131,608.70
  5. Step 5: Solve for x
    x = 504,504,131,608.70/636,145.76
  6. Step 6: Final answer
    x = 793,063.73

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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.