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Finding the Fourth Proportional to 768,843.80, 1,153,265.70 and 733,851.80

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Solution

The fourth proportional to 768,843.80, 1,153,265.70 and 733,851.80 is: 1,100,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,843.80 : 1,153,265.70 = 733,851.80 : x
  2. Step 2: Convert to fraction form
    768,843.80/1,153,265.70 = 733,851.80/x
  3. Step 3: Cross multiply
    768,843.80x = 1,153,265.70 × 733,851.80
  4. Step 4: Simplify right side
    768,843.80x = 846,326,109,823.26
  5. Step 5: Solve for x
    x = 846,326,109,823.26/768,843.80
  6. Step 6: Final answer
    x = 1,100,777.70

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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.