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Finding the Fourth Proportional to 435,744.55, 653,365.32 and 169,193.60

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Solution

The fourth proportional to 435,744.55, 653,365.32 and 169,193.60 is: 253,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,744.55 : 653,365.32 = 169,193.60 : x
  2. Step 2: Convert to fraction form
    435,744.55/653,365.32 = 169,193.60/x
  3. Step 3: Cross multiply
    435,744.55x = 653,365.32 × 169,193.60
  4. Step 4: Simplify right side
    435,744.55x = 110,545,230,605.95
  5. Step 5: Solve for x
    x = 110,545,230,605.95/435,744.55
  6. Step 6: Final answer
    x = 253,692.74

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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.