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Finding the Fourth Proportional to 564,453.55, 846,827.88 and 327,568.51

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Solution

The fourth proportional to 564,453.55, 846,827.88 and 327,568.51 is: 491,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,453.55 : 846,827.88 = 327,568.51 : x
  2. Step 2: Convert to fraction form
    564,453.55/846,827.88 = 327,568.51/x
  3. Step 3: Cross multiply
    564,453.55x = 846,827.88 × 327,568.51
  4. Step 4: Simplify right side
    564,453.55x = 277,394,146,878.06
  5. Step 5: Solve for x
    x = 277,394,146,878.06/564,453.55
  6. Step 6: Final answer
    x = 491,438.40

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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.