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Finding the Fourth Proportional to 466,855.80, 699,477.30 and 217,025.40

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Solution

The fourth proportional to 466,855.80, 699,477.30 and 217,025.40 is: 325,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,855.80 : 699,477.30 = 217,025.40 : x
  2. Step 2: Convert to fraction form
    466,855.80/699,477.30 = 217,025.40/x
  3. Step 3: Cross multiply
    466,855.80x = 699,477.30 × 217,025.40
  4. Step 4: Simplify right side
    466,855.80x = 151,804,340,823.42
  5. Step 5: Solve for x
    x = 151,804,340,823.42/466,855.80
  6. Step 6: Final answer
    x = 325,163.23

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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.