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Finding the Fourth Proportional to 564,584.51, 846,878 and 396,855.39

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Solution

The fourth proportional to 564,584.51, 846,878 and 396,855.39 is: 595,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,584.51 : 846,878 = 396,855.39 : x
  2. Step 2: Convert to fraction form
    564,584.51/846,878 = 396,855.39/x
  3. Step 3: Cross multiply
    564,584.51x = 846,878 × 396,855.39
  4. Step 4: Simplify right side
    564,584.51x = 336,088,098,972.42
  5. Step 5: Solve for x
    x = 336,088,098,972.42/564,584.51
  6. Step 6: Final answer
    x = 595,283.95

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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.