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Finding the Fourth Proportional to 292,388.95, 403,500.12 and 171,532.30

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Solution

The fourth proportional to 292,388.95, 403,500.12 and 171,532.30 is: 236,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,388.95 : 403,500.12 = 171,532.30 : x
  2. Step 2: Convert to fraction form
    292,388.95/403,500.12 = 171,532.30/x
  3. Step 3: Cross multiply
    292,388.95x = 403,500.12 × 171,532.30
  4. Step 4: Simplify right side
    292,388.95x = 69,213,301,616.38
  5. Step 5: Solve for x
    x = 69,213,301,616.38/292,388.95
  6. Step 6: Final answer
    x = 236,716.54

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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.