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Finding the Fourth Proportional to 922,855.80, 1,384,283.70 and 910,414.20

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Solution

The fourth proportional to 922,855.80, 1,384,283.70 and 910,414.20 is: 1,365,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,855.80 : 1,384,283.70 = 910,414.20 : x
  2. Step 2: Convert to fraction form
    922,855.80/1,384,283.70 = 910,414.20/x
  3. Step 3: Cross multiply
    922,855.80x = 1,384,283.70 × 910,414.20
  4. Step 4: Simplify right side
    922,855.80x = 1,260,271,537,308.54
  5. Step 5: Solve for x
    x = 1,260,271,537,308.54/922,855.80
  6. Step 6: Final answer
    x = 1,365,621.30

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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.