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Finding the Fourth Proportional to 316,710, 437,060.34 and 171,517.32

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Solution

The fourth proportional to 316,710, 437,060.34 and 171,517.32 is: 236,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,710 : 437,060.34 = 171,517.32 : x
  2. Step 2: Convert to fraction form
    316,710/437,060.34 = 171,517.32/x
  3. Step 3: Cross multiply
    316,710x = 437,060.34 × 171,517.32
  4. Step 4: Simplify right side
    316,710x = 74,963,418,195.09
  5. Step 5: Solve for x
    x = 74,963,418,195.09/316,710
  6. Step 6: Final answer
    x = 236,694.19

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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.