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Finding the Fourth Proportional to 435,493.52, 652,986 and 168,942.56

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Solution

The fourth proportional to 435,493.52, 652,986 and 168,942.56 is: 253,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,493.52 : 652,986 = 168,942.56 : x
  2. Step 2: Convert to fraction form
    435,493.52/652,986 = 168,942.56/x
  3. Step 3: Cross multiply
    435,493.52x = 652,986 × 168,942.56
  4. Step 4: Simplify right side
    435,493.52x = 110,317,126,484.16
  5. Step 5: Solve for x
    x = 110,317,126,484.16/435,493.52
  6. Step 6: Final answer
    x = 253,315.20

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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.