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Finding the Fourth Proportional to 844,801.45, 1,270,798.17 and 765,792.16

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Solution

The fourth proportional to 844,801.45, 1,270,798.17 and 765,792.16 is: 1,151,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,801.45 : 1,270,798.17 = 765,792.16 : x
  2. Step 2: Convert to fraction form
    844,801.45/1,270,798.17 = 765,792.16/x
  3. Step 3: Cross multiply
    844,801.45x = 1,270,798.17 × 765,792.16
  4. Step 4: Simplify right side
    844,801.45x = 973,167,275,528.35
  5. Step 5: Solve for x
    x = 973,167,275,528.35/844,801.45
  6. Step 6: Final answer
    x = 1,151,947.92

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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.