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Finding the Fourth Proportional to 564,843.60, 846,998.10 and 328,258.80

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Solution

The fourth proportional to 564,843.60, 846,998.10 and 328,258.80 is: 492,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,843.60 : 846,998.10 = 328,258.80 : x
  2. Step 2: Convert to fraction form
    564,843.60/846,998.10 = 328,258.80/x
  3. Step 3: Cross multiply
    564,843.60x = 846,998.10 × 328,258.80
  4. Step 4: Simplify right side
    564,843.60x = 278,034,579,908.28
  5. Step 5: Solve for x
    x = 278,034,579,908.28/564,843.60
  6. Step 6: Final answer
    x = 492,232.86

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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.