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Finding the Fourth Proportional to 292,546.40, 403,693.08 and 171,692.60

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Solution

The fourth proportional to 292,546.40, 403,693.08 and 171,692.60 is: 236,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,546.40 : 403,693.08 = 171,692.60 : x
  2. Step 2: Convert to fraction form
    292,546.40/403,693.08 = 171,692.60/x
  3. Step 3: Cross multiply
    292,546.40x = 403,693.08 × 171,692.60
  4. Step 4: Simplify right side
    292,546.40x = 69,311,114,507.21
  5. Step 5: Solve for x
    x = 69,311,114,507.21/292,546.40
  6. Step 6: Final answer
    x = 236,923.49

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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.