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Finding the Fourth Proportional to 440,884.50, 661,554.34 and 188,097.15

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Solution

The fourth proportional to 440,884.50, 661,554.34 and 188,097.15 is: 282,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,884.50 : 661,554.34 = 188,097.15 : x
  2. Step 2: Convert to fraction form
    440,884.50/661,554.34 = 188,097.15/x
  3. Step 3: Cross multiply
    440,884.50x = 661,554.34 × 188,097.15
  4. Step 4: Simplify right side
    440,884.50x = 124,436,487,934.72
  5. Step 5: Solve for x
    x = 124,436,487,934.72/440,884.50
  6. Step 6: Final answer
    x = 282,242.83

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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.