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Finding the Fourth Proportional to 316,716.97, 437,068.75 and 171,522.29

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Solution

The fourth proportional to 316,716.97, 437,068.75 and 171,522.29 is: 236,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,716.97 : 437,068.75 = 171,522.29 : x
  2. Step 2: Convert to fraction form
    316,716.97/437,068.75 = 171,522.29/x
  3. Step 3: Cross multiply
    316,716.97x = 437,068.75 × 171,522.29
  4. Step 4: Simplify right side
    316,716.97x = 74,967,032,887.44
  5. Step 5: Solve for x
    x = 74,967,032,887.44/316,716.97
  6. Step 6: Final answer
    x = 236,700.40

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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.