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Finding the Fourth Proportional to 572,361.44, 789,895.52 and 330,654.08

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Solution

The fourth proportional to 572,361.44, 789,895.52 and 330,654.08 is: 456,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,361.44 : 789,895.52 = 330,654.08 : x
  2. Step 2: Convert to fraction form
    572,361.44/789,895.52 = 330,654.08/x
  3. Step 3: Cross multiply
    572,361.44x = 789,895.52 × 330,654.08
  4. Step 4: Simplify right side
    572,361.44x = 261,182,176,461.72
  5. Step 5: Solve for x
    x = 261,182,176,461.72/572,361.44
  6. Step 6: Final answer
    x = 456,323.85

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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.