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Finding the Fourth Proportional to 922,654.80, 1,382,815.80 and 822,344.40

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Solution

The fourth proportional to 922,654.80, 1,382,815.80 and 822,344.40 is: 1,232,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,654.80 : 1,382,815.80 = 822,344.40 : x
  2. Step 2: Convert to fraction form
    922,654.80/1,382,815.80 = 822,344.40/x
  3. Step 3: Cross multiply
    922,654.80x = 1,382,815.80 × 822,344.40
  4. Step 4: Simplify right side
    922,654.80x = 1,137,150,829,361.52
  5. Step 5: Solve for x
    x = 1,137,150,829,361.52/922,654.80
  6. Step 6: Final answer
    x = 1,232,477.01

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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.