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Finding the Fourth Proportional to 664,465.80, 996,504.30 and 237,952.20

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Solution

The fourth proportional to 664,465.80, 996,504.30 and 237,952.20 is: 356,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,465.80 : 996,504.30 = 237,952.20 : x
  2. Step 2: Convert to fraction form
    664,465.80/996,504.30 = 237,952.20/x
  3. Step 3: Cross multiply
    664,465.80x = 996,504.30 × 237,952.20
  4. Step 4: Simplify right side
    664,465.80x = 237,120,390,494.46
  5. Step 5: Solve for x
    x = 237,120,390,494.46/664,465.80
  6. Step 6: Final answer
    x = 356,858.68

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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.