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Finding the Fourth Proportional to 292,249.32, 403,322.40 and 171,346.56

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Solution

The fourth proportional to 292,249.32, 403,322.40 and 171,346.56 is: 236,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,249.32 : 403,322.40 = 171,346.56 : x
  2. Step 2: Convert to fraction form
    292,249.32/403,322.40 = 171,346.56/x
  3. Step 3: Cross multiply
    292,249.32x = 403,322.40 × 171,346.56
  4. Step 4: Simplify right side
    292,249.32x = 69,107,905,810.94
  5. Step 5: Solve for x
    x = 69,107,905,810.94/292,249.32
  6. Step 6: Final answer
    x = 236,469.00

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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.