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Finding the Fourth Proportional to 316,795.39, 437,173.97 and 171,598.43

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Solution

The fourth proportional to 316,795.39, 437,173.97 and 171,598.43 is: 236,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,795.39 : 437,173.97 = 171,598.43 : x
  2. Step 2: Convert to fraction form
    316,795.39/437,173.97 = 171,598.43/x
  3. Step 3: Cross multiply
    316,795.39x = 437,173.97 × 171,598.43
  4. Step 4: Simplify right side
    316,795.39x = 75,018,367,123.81
  5. Step 5: Solve for x
    x = 75,018,367,123.81/316,795.39
  6. Step 6: Final answer
    x = 236,803.85

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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.