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Finding the Fourth Proportional to 223,984.80, 335,977.20 and 206,877.60

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Solution

The fourth proportional to 223,984.80, 335,977.20 and 206,877.60 is: 310,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,984.80 : 335,977.20 = 206,877.60 : x
  2. Step 2: Convert to fraction form
    223,984.80/335,977.20 = 206,877.60/x
  3. Step 3: Cross multiply
    223,984.80x = 335,977.20 × 206,877.60
  4. Step 4: Simplify right side
    223,984.80x = 69,506,156,790.72
  5. Step 5: Solve for x
    x = 69,506,156,790.72/223,984.80
  6. Step 6: Final answer
    x = 310,316.40

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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.