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Finding the Fourth Proportional to 316,546.92, 436,832.04 and 171,352

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Solution

The fourth proportional to 316,546.92, 436,832.04 and 171,352 is: 236,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,546.92 : 436,832.04 = 171,352 : x
  2. Step 2: Convert to fraction form
    316,546.92/436,832.04 = 171,352/x
  3. Step 3: Cross multiply
    316,546.92x = 436,832.04 × 171,352
  4. Step 4: Simplify right side
    316,546.92x = 74,852,043,718.08
  5. Step 5: Solve for x
    x = 74,852,043,718.08/316,546.92
  6. Step 6: Final answer
    x = 236,464.29

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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.