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Finding the Fourth Proportional to 606,383.14, 909,671.10 and 201,589.72

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Solution

The fourth proportional to 606,383.14, 909,671.10 and 201,589.72 is: 302,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,383.14 : 909,671.10 = 201,589.72 : x
  2. Step 2: Convert to fraction form
    606,383.14/909,671.10 = 201,589.72/x
  3. Step 3: Cross multiply
    606,383.14x = 909,671.10 × 201,589.72
  4. Step 4: Simplify right side
    606,383.14x = 183,380,342,341.09
  5. Step 5: Solve for x
    x = 183,380,342,341.09/606,383.14
  6. Step 6: Final answer
    x = 302,416.62

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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.