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Finding the Fourth Proportional to 633,172.52, 873,769.40 and 346,692.60

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Solution

The fourth proportional to 633,172.52, 873,769.40 and 346,692.60 is: 478,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,172.52 : 873,769.40 = 346,692.60 : x
  2. Step 2: Convert to fraction form
    633,172.52/873,769.40 = 346,692.60/x
  3. Step 3: Cross multiply
    633,172.52x = 873,769.40 × 346,692.60
  4. Step 4: Simplify right side
    633,172.52x = 302,929,383,352.98
  5. Step 5: Solve for x
    x = 302,929,383,352.98/633,172.52
  6. Step 6: Final answer
    x = 478,431.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.