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Finding the Fourth Proportional to 435,063.80, 652,401.30 and 168,735.80

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Solution

The fourth proportional to 435,063.80, 652,401.30 and 168,735.80 is: 253,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,063.80 : 652,401.30 = 168,735.80 : x
  2. Step 2: Convert to fraction form
    435,063.80/652,401.30 = 168,735.80/x
  3. Step 3: Cross multiply
    435,063.80x = 652,401.30 × 168,735.80
  4. Step 4: Simplify right side
    435,063.80x = 110,083,455,276.54
  5. Step 5: Solve for x
    x = 110,083,455,276.54/435,063.80
  6. Step 6: Final answer
    x = 253,028.30

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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.