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Finding the Fourth Proportional to 318,464.82, 477,881.82 and 160,705.62

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Solution

The fourth proportional to 318,464.82, 477,881.82 and 160,705.62 is: 241,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,464.82 : 477,881.82 = 160,705.62 : x
  2. Step 2: Convert to fraction form
    318,464.82/477,881.82 = 160,705.62/x
  3. Step 3: Cross multiply
    318,464.82x = 477,881.82 × 160,705.62
  4. Step 4: Simplify right side
    318,464.82x = 76,798,294,169.83
  5. Step 5: Solve for x
    x = 76,798,294,169.83/318,464.82
  6. Step 6: Final answer
    x = 241,151.58

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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.