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Finding the Fourth Proportional to 223,074.80, 333,640.20 and 199,552.40

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Solution

The fourth proportional to 223,074.80, 333,640.20 and 199,552.40 is: 298,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,074.80 : 333,640.20 = 199,552.40 : x
  2. Step 2: Convert to fraction form
    223,074.80/333,640.20 = 199,552.40/x
  3. Step 3: Cross multiply
    223,074.80x = 333,640.20 × 199,552.40
  4. Step 4: Simplify right side
    223,074.80x = 66,578,702,646.48
  5. Step 5: Solve for x
    x = 66,578,702,646.48/223,074.80
  6. Step 6: Final answer
    x = 298,459.09

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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.