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Finding the Fourth Proportional to 735,815.20, 1,103,722.80 and 735,815.20

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Solution

The fourth proportional to 735,815.20, 1,103,722.80 and 735,815.20 is: 1,103,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,815.20 : 1,103,722.80 = 735,815.20 : x
  2. Step 2: Convert to fraction form
    735,815.20/1,103,722.80 = 735,815.20/x
  3. Step 3: Cross multiply
    735,815.20x = 1,103,722.80 × 735,815.20
  4. Step 4: Simplify right side
    735,815.20x = 812,136,012,826.56
  5. Step 5: Solve for x
    x = 812,136,012,826.56/735,815.20
  6. Step 6: Final answer
    x = 1,103,722.80

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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.