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Finding the Fourth Proportional to 316,796.22, 437,176.28 and 171,598.86

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Solution

The fourth proportional to 316,796.22, 437,176.28 and 171,598.86 is: 236,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,796.22 : 437,176.28 = 171,598.86 : x
  2. Step 2: Convert to fraction form
    316,796.22/437,176.28 = 171,598.86/x
  3. Step 3: Cross multiply
    316,796.22x = 437,176.28 × 171,598.86
  4. Step 4: Simplify right side
    316,796.22x = 75,018,951,267.04
  5. Step 5: Solve for x
    x = 75,018,951,267.04/316,796.22
  6. Step 6: Final answer
    x = 236,805.07

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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.