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Finding the Fourth Proportional to 223,067.80, 333,629.70 and 199,545.40

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Solution

The fourth proportional to 223,067.80, 333,629.70 and 199,545.40 is: 298,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,067.80 : 333,629.70 = 199,545.40 : x
  2. Step 2: Convert to fraction form
    223,067.80/333,629.70 = 199,545.40/x
  3. Step 3: Cross multiply
    223,067.80x = 333,629.70 × 199,545.40
  4. Step 4: Simplify right side
    223,067.80x = 66,574,271,938.38
  5. Step 5: Solve for x
    x = 66,574,271,938.38/223,067.80
  6. Step 6: Final answer
    x = 298,448.60

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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.