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Finding the Fourth Proportional to 1,023,657.28, 1,532,453.28 and 758,608

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Solution

The fourth proportional to 1,023,657.28, 1,532,453.28 and 758,608 is: 1,135,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,657.28 : 1,532,453.28 = 758,608 : x
  2. Step 2: Convert to fraction form
    1,023,657.28/1,532,453.28 = 758,608/x
  3. Step 3: Cross multiply
    1,023,657.28x = 1,532,453.28 × 758,608
  4. Step 4: Simplify right side
    1,023,657.28x = 1,162,531,317,834.24
  5. Step 5: Solve for x
    x = 1,162,531,317,834.24/1,023,657.28
  6. Step 6: Final answer
    x = 1,135,664.58

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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.