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Finding the Fourth Proportional to 669,952.80, 1,004,054.40 and 482,745.60

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Solution

The fourth proportional to 669,952.80, 1,004,054.40 and 482,745.60 is: 723,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,952.80 : 1,004,054.40 = 482,745.60 : x
  2. Step 2: Convert to fraction form
    669,952.80/1,004,054.40 = 482,745.60/x
  3. Step 3: Cross multiply
    669,952.80x = 1,004,054.40 × 482,745.60
  4. Step 4: Simplify right side
    669,952.80x = 484,702,843,760.64
  5. Step 5: Solve for x
    x = 484,702,843,760.64/669,952.80
  6. Step 6: Final answer
    x = 723,488.05

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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.