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Finding the Fourth Proportional to 922,796.80, 1,384,195.20 and 910,355.20

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Solution

The fourth proportional to 922,796.80, 1,384,195.20 and 910,355.20 is: 1,365,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,796.80 : 1,384,195.20 = 910,355.20 : x
  2. Step 2: Convert to fraction form
    922,796.80/1,384,195.20 = 910,355.20/x
  3. Step 3: Cross multiply
    922,796.80x = 1,384,195.20 × 910,355.20
  4. Step 4: Simplify right side
    922,796.80x = 1,260,109,298,135.04
  5. Step 5: Solve for x
    x = 1,260,109,298,135.04/922,796.80
  6. Step 6: Final answer
    x = 1,365,532.80

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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.