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Finding the Fourth Proportional to 735,782.60, 1,103,414.70 and 262,483.40

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Solution

The fourth proportional to 735,782.60, 1,103,414.70 and 262,483.40 is: 393,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,782.60 : 1,103,414.70 = 262,483.40 : x
  2. Step 2: Convert to fraction form
    735,782.60/1,103,414.70 = 262,483.40/x
  3. Step 3: Cross multiply
    735,782.60x = 1,103,414.70 × 262,483.40
  4. Step 4: Simplify right side
    735,782.60x = 289,628,042,065.98
  5. Step 5: Solve for x
    x = 289,628,042,065.98/735,782.60
  6. Step 6: Final answer
    x = 393,632.63

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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.