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Finding the Fourth Proportional to 292,115.36, 403,186.46 and 171,295.57

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Solution

The fourth proportional to 292,115.36, 403,186.46 and 171,295.57 is: 236,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,115.36 : 403,186.46 = 171,295.57 : x
  2. Step 2: Convert to fraction form
    292,115.36/403,186.46 = 171,295.57/x
  3. Step 3: Cross multiply
    292,115.36x = 403,186.46 × 171,295.57
  4. Step 4: Simplify right side
    292,115.36x = 69,064,055,489.95
  5. Step 5: Solve for x
    x = 69,064,055,489.95/292,115.36
  6. Step 6: Final answer
    x = 236,427.33

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1.5x scale

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.