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Finding the Fourth Proportional to 803,877.54, 1,109,361.60 and 441,248.64

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Solution

The fourth proportional to 803,877.54, 1,109,361.60 and 441,248.64 is: 608,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,877.54 : 1,109,361.60 = 441,248.64 : x
  2. Step 2: Convert to fraction form
    803,877.54/1,109,361.60 = 441,248.64/x
  3. Step 3: Cross multiply
    803,877.54x = 1,109,361.60 × 441,248.64
  4. Step 4: Simplify right side
    803,877.54x = 489,504,297,268.22
  5. Step 5: Solve for x
    x = 489,504,297,268.22/803,877.54
  6. Step 6: Final answer
    x = 608,928.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.